Nine people were killed and nearly 50 injured after a high-speed train crashed into a locomotive in the Turkish capital on Thursday, officials said.

Transport Minister Cahit Turhan told reporters in televised remarks that three of those killed were operators of the train.

One of the victims died in hospital, he added.

Turhan added that 47 people were injured and were in hospital for treatment.

The fast train had been on its way from Ankara's main station to the central province of Konya and according to Hurriyet daily, there were 206 passengers on board.

Earlier, the Ankara governor's office said three out of a total of 46 people had been seriously injured.

The death toll was rising fast. Ankara governor Vasip Sahin said earlier on Thursday morning that four people had been killed.

"This morning there was an accident after the 6.30 high-speed train to Konya hit a locomotive tasked with checking rails on the same route," Sahin told reporters in televised remarks.

Turhan said the accident took place six minutes after the train left Ankara as it entered the Marsandiz station.