Turkey urged the UN Security Council to take the "necessary action" to stop Syrian aggression after a mortar bomb fired from Syria killed five Turkish civilians.
A letter obtained by Reuters said:
This is an act of aggression by Syria against Turkey. It constitutes a flagrant violation of international law as well as a breach of international peace and security.
More top news
A pensioner who made neighbours' lives a misery, including displaying images of Miss Piggy to torment an overweight woman, has been jailed.
A series of relaxed new portrait pictures of the Duchess of Cambridge have been released, and will go on public display from Sunday.
14-year-old Jasmine Elcock is the fourth Britain's Got Talent 'golden buzzer' act after leaving Ant in tears with her performance.