In the Turkish village Sultanshehmuz in Mardin province unknown armed men attacked on a group of people, celebrating a wedding, killing 41 people, injured many others, the Assistant Governor of Mardin province Mehmet Bashir Ayanogli said.
"What happened is not like a terrorist act", said Ayanogli.
It is expected that the death toll to rise, Turkish newsagency Cihan reported.
The attackers used grenades and long-barreled arms.
The injured taken to hospital. At the scene of the crime law enforcement officers arrived. Investigation under way.