UK 'will 追跡（する） 負かす／撃墜する Haines 殺し屋s'
Britain stands ready to take "whatever steps are necessary" to help an international 押し進める to destroy the "evil" 極端論者 group who 殺人d a British 援助（する） 労働者, David Cameron said.
The 総理大臣 あられ／賞賛するd David Haines as a "British hero" and 公約するd to " 追跡（する） 負かす／撃墜する those responsible and bring them to 司法（官） no 事柄 how long it takes" after Islamic 明言する／公表する (IS) 地位，任命するd a ビデオ of the beheading of the father of two.
A second British 人質, 指名するd as Alan Henning, was also shown - with a 脅し that he would be the next to be killed.
総理大臣 David Cameron said the beheading of David Haines was 'an 行為／法令／行動する of pure evil'
The 殺人，大当り appeared to have been carried out by the same British-accented jihadist 責任がある the deaths of two American 新聞記者／雑誌記者s held by the group - which is also known as Isil (Islamic 明言する／公表する of Iraq and the Levant).
In an emotional 声明 after 議長，司会を務めるing a 会合 of the 政府's Cobra 緊急 委員会 to discuss the 殺人，大当り, the 総理大臣 said the 残虐な 罪，犯罪 would "強化する our 解決する" to take on the 脅し 提起する／ポーズをとるd by the Islamic 極端論者s at home and abroad.
British people would be "sickened" that a fellow 国民 could have carried out such an 行為／法令／行動する, the 総理大臣 said and 勧めるd 活動／戦闘 to drain from society the "毒（薬）" of radicalisation - 主張するing IS and its adherents "are not イスラム教徒s, they are monsters".
He remained tight-lipped on Britain's 役割 in the planned escalation of the 軍の 不快な／攻撃 in Iraq and Syria 存在 co-ordinated by the US, and 公式の／役人s made （疑いを）晴らす there were no 即座の 計画（する）s to 解任する 議会 to discuss the use of British 武装した 軍隊s.
But while he 支配するd out sending ground 軍隊／機動隊s, Mr Cameron left the door open to 空気／公表する strikes - a course 存在 勧めるd on him by former 軍の 長，指導者s and some MPs.
"The 殺人 of David Haines at the 手渡すs of Isil will not leave Britain to shirk our 責任／義務 with our 同盟（する）s to を取り引きする the 脅し that this organisation 提起する／ポーズをとるs. It must 強化する our 解決する," he 宣言するd.
"最終的に our 安全 as a nation, the way we go about our everyday lives in this 解放する／自由な and tolerant society that is Britain, has always depended on our 準備完了 to 行為／法令／行動する against those who stand for 憎悪 and who stand for 破壊. That is 正確に／まさに what we will do."
恐れるs for Mr Haines's life had 強めるd when he was paraded as the next ーするつもりであるd 犠牲者 in the ビデオ of the death of 新聞記者／雑誌記者 Steven Sotloff earlier this month and Mr Cameron paid 尊敬の印 to the "驚くべき／特命の／臨時の courage" shown by the Haines fam ily since he was snatched in Syria in March last year.
News of Mr Haines's death （機の）カム only hours after his family 問題／発行するd a 嘆願 to his captors to 接触する them.
"The whole country, like his grieving family, can be incredibly proud of what he did and what he stood for in his 人道的な 使節団," Mr Cameron said.
In a 声明 問題／発行するd by the Foreign Office, マイク Haines said his brother, who 以前 served in the RAF and worked for the UN in the Balkans, was "just another bloke" who was "most alive and enthusiastic" in his 人道的な 役割s and will be "行方不明になるd terribly".
His 殺人，大当り was met with horror by political and 宗教的な leaders 同様に as British イスラム教徒s and ACTED, the 援助（する） 機関 for which he was working when he was snatched in Syria in March last year, said it was "a 罪，犯罪 against humanity".
US 大統領，／社長 Barack Obama said America - where the two previous killed 人質s, both 新聞記者／雑誌記者s, were from - "stands shoulder to shoulder with our の近くに friend and 同盟（する） in grief and 解決する".
副 総理大臣 Nick Clegg said the 殺人 was "野蛮な" and 約束d the 政府 "will not 残り／休憩（する） until these 殺し屋s 直面する 司法（官）" and 労働 leader Ed Miliband said he was "sickened" at the 殺人.
In a sermon at Bristol Cathedral , the 大司教 of Canterbury said the 援助（する） 労働者 was "evilly killed in the place he was serving in love for its 苦しむing people".
Dr Shuja Shafi, 長官 general of the イスラム教徒 会議 of Britain, said there was "nothing in our 約束 that 容赦するs such behaviour.
"イスラム教徒s in Britain and around the world have 非難するd these people, and the arguments they use have been 反駁するd comprehensively a s 存在 far from the 宗教 of Islam."
の中で those calling for the UK to join 空気／公表する strikes was former 長，率いる of the Army Lord Dannatt.
"We have got to do the 権利 thing even if it's not 現在／一般に the popular thing or さもなければ we will 悔いる not taking 決定的な 活動／戦闘," he told Sky News, w elcoming Australia's 誓約（する） to 与える／捧げる 600 軍隊／機動隊s and up to 10 軍の 航空機 to the （選挙などの）運動をする.
Former 海軍の 長，指導者 海軍大将 Lord West of Spithead said: "We have a perfect 権利 to use all means at our 処分 to do something about them," he said.
Scotland's First 大臣 Alex Salmond 会を召集するd a "resilience 会合" to discuss the 関わりあい／含蓄s of the "行為／法令／行動する of unspeakable 野蛮／未開" for the Scottish 政府, 含むing the need to 確実にする there was no （激しい）反発 against the イスラム教徒 community.
He criticised the 欠如（する） of a （疑いを）晴らす wider international 戦略 to 取り組む the 脅し of IS and 主張するd any 活動／戦闘 should only be taken with the 是認 of the 国際連合.
Mr Cameron said the UK would 捜し出す to "mobilise the broadest possible support to 耐える 負かす／撃墜する" on IS at the 国際連合 as 成果／努力s continue to form a 連合 of countries - 特に those in the 地域 - to 参加する a 一致した 不快な／攻撃.
"This is not about British 戦闘 軍隊／機動隊s on the ground, it is about working with others to 消滅させる this テロリスト 脅し. A s this 戦略 強めるs we are ready to take whatever steps are necessary to を取り引きする this 脅し and keep our country 安全な," he said.
The 長，率いる of international police 機関 国際刑事警察機構 said those responsible would "one day 直面する 司法（官）" as he 圧力（をかける）d for greater co-操作／手術 to root out foreign 闘士，戦闘機s in Syria and Iraq.
Speaking during a visit to Qatar to discuss 安全 in the 地域, s ecretary general Ronald K Noble said: "The 臆病な／卑劣な 殺人 of an innocent man whose 人道的な vocation was to 改善する the lives of others in the very 地域 he met his 残虐な death is 証言 to the 新たな展開d and depraved nature of the いわゆる Islamic 明言する／公表する.
"On に代わって of the international police community 国際刑事警察機構 堅固に 非難するs the 殺人 of David Haines and 嘆き悲しむs the deaths of all other innocents in the 地域 at the 手渡すs of Islamic 明言する／公表する 交戦的なs.
"However long it takes, they will one day 直面する 司法（官） for their 野蛮な and senseless 活動／戦闘s.
"国際刑事警察機構 continues to 容易にする 交流s between its 190 member countries on （警察などへの）密告，告訴（状） relating to 嫌疑者，容疑者／疑うd テロリストs and foreign 闘士，戦闘機s.
"But this must be complemented by 成果／努力s on the ground, 含むing through the 準備／条項 of 全世界の police 道具s and databases to officers on the 前線 line."
Mr Salmond said: "This was an 行為／法令／行動する of unspeakable 野蛮／未開.
"We 申し込む／申し出 our sincerest 弔慰s to the Haines family and friends who have borne these 絶対 terrible circumstances with 広大な／多数の／重要な fortitude in 最近の months. Supporting the family and 確実にするing they get the privacy they have asked for is of 最初の／主要な importance to us at this time.
"Earlier today I 会を召集するd a 会合 of the Scottish 政府's 閣僚 Sub-委員会 for Resilience (CSC-SGOR) to look at our 明確な／細部 責任／義務s in these 事柄s and we will continue to work closely with Police Scotland, the 栄冠を与える Office & Procurator 会計の Service and the Foreign and 連邦／共和国 Office in the coming days.
"We will also work with the communities of Scotland, wh ich is of 広大な／多数の／重要な 優先. Scotland's イスラム教徒 community are a strong and valued part of Scottish society, and they should in no way be held 責任がある the extremism of Isil. But we must have total vigilance, and be （疑いを）晴らす that any 悪化させるd racial or 宗教的な attack will be met with the 十分な 軍隊 of the 法律 and will not be 許容するd."
