Moscow, May 26 (IANS/RIA Novosti) At least 15 people, including 13 Russians, were killed and 26 injured when a tourist bus fell into a river in Turkey, officials said Tuesday.

The incident occurred Tuesday, when the bus, en route from Alanya to Pamukkale town, veered off the road and fell into the Aksu River in southwestern Turkish region of Antalya, Russian emergency situations ministry spokeswoman Yelena Chernova said.

Chernova said 13 Russians and two Turks, who were also on the bus, have died and 26 have been hospitalised.

The Russian health ministry said six of the injured were in a critical condition.

According to preliminary information, the accident took place after the driver suffered a heart attack.

Meanwhile, Russia said it will send a team of doctors from the Disaster Medicine Centre to Turkey to help the survivors.