Turkey strikes back at Syria after mortar kills five

Turkish police officers try to help a wounded comrade after a mortar bomb landed from Syria in the border village of Akcakale, southeastern Sanliurfa province, October 3, 2012. The mortar bomb fired from Syria landed in a residential district of the southeastern Turkish town of Akcakale on Wednesday, killing a woman and four children from the same family and wounding at least eight other people. A Reuters witness saw three police officers among the wounded being taken to hospital. REUTERS/Rauf Maltas/Anadolu Agency

AKCAKALE, Turkey (Reuters) - Turkish artillery hit targets inside Syria on Wednesday after a mortar bomb fired from Syrian territory killed five Turkish civilians, while NATO called for an immediate end to Syria's "aggressive acts".

In the most serious cross-border escalation of the 18-month uprising in Syria, Turkey hit back at what it called "the last straw" when a mortar hit a residential neighborhood of the southern border town of Akcakale.

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