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 Branislav Ivanovic header in extra-time ensured that Chelsea are through to the Capital One Cup Final after beating Liverpool
Scientists have discovered the oldest known earth-size planets discovered which they say raises the prospect of 'ancient life'.
Auschwitz survivor Alina Dabrowska was a victim of the cruel experiments of Nazi doctor Josef Mengele, known as "the Angel of Death."