A strong earthquake measuring 5.9 on the Richter scale struck western Turkey near the town of Duzce on Wednesday, injuring at least 52 people, authorities said.
According to the National Disaster and Emergency Management Authority (AFAD), the quake was centred in the Golyaka district and struck at 4.08 AM, state-run Anadolu News Agency reported.
The powerful quake, which occurred at a depth of 6.81 km, was also felt in Istanbul and the capital Ankara. Duzce is about 210 km from Istanbul and 236 km from Ankara.
Photos from Duzce at night show many people huddled outdoors, wrapped in blankets and using makeshift fires to keep warm.
Security camera footage of the earthquake has been posted on social media.