Brendan Vaughan, the British man thought to have been killed in Nigeria by an Islamic extremist group, was "likely to have been murdered in cold blood", the Foreign Secretary said.
William Hague added that the UK had "worked closely" with Nigeria over the last few weeks, and expressed his thanks to the Nigerian authorities.
More top news
Some trusts are not charging overseas patients despite them not being entitled to free treatment, a new report has revealed.
The vice presidential candidate was travelling with his wife, daughter and several campaign advisers, but no one was injured.
They deny a 'sweetheart deal' - but a senior source told ITV News the government promised to support such firms in the event of Brexit.