"A senior Turkish official has acknowledged that 35 civilians were killed in an air strike near a Kurdish village close to the border with Iraq.
Turkey's military said earlier it had targeted suspected Kurdish militants.
But the victims of Wednesday night's attack are believed to have been villagers involved in smuggling cigarettes into Turkey from Iraq.
Governing party vice-president Huseyin Celik said an investigation was looking into possible intelligence failures."
Turkey's military said earlier it had targeted suspected Kurdish militants.
But the victims of Wednesday night's attack are believed to have been villagers involved in smuggling cigarettes into Turkey from Iraq.
Governing party vice-president Huseyin Celik said an investigation was looking into possible intelligence failures."