Memorial service held for IS victim Steven Sotloff

Nearly 1,000 mourners including relatives, friends and politicians, have attended a memorial service in Florida for US journalist Steven Sotloff, who was killed by IS militants.

The Islamic State released a video on Tuesday showing the murder of Mr Sotloff.

He is the second American journalist to be beheaded in two weeks over the group's confrontation with the US over air strikes in Iraq and its foreign policy.

Footage of James Foley being beheaded on August 19 shocked the world.

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Hammond: Attempt to rescue IS-held Brit was made

An unsuccessful attempt was made to rescue a British hostage being held by Islamic State, the Foreign Secretary said.

"A rescue attempt took place some time ago - unfortunately unsuccessfully," Philip Hammond said after an emergency Cobra meeting.

Mr Hammond said the government had been aware of a British citizen being held by militants for some time.

He said all possible options were being considered to protect the hostage.

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