A video apparently released by the Islamic State group shows 25 men being shot dead in the ancient city of Palmyra.
A missing UK family of 12 have joined so-called Islamic State and feel "safer than ever", according to a statement said to be on their behalf.
Greek Finance Minister Yanis Varoufakis accuses Athens' creditors of "terrorism", the day before a referendum on an international bailout.
Did a science fiction writer predict the atom bomb 30 years before?
What happened on 7 July 2005?
Lightning illuminates the UK
Greeks on tourist island on referendum
What does it take to restore an iconic aircraft?
The HIV positive man challenging public perceptions
Watch on BBC Three, listen on Radio 5 live and text updates as England's Women's World Cup match against Germany goes to extra-time.
Why is one of Britain's favourite foods under threat?