A 6.2-magnitude earthquake struck off the coast of Istanbul on Wednesday leading to scenes of panic in the Turkish metropolis, officials said.

An earthquake with a preliminary magnitude of 6.2 shook Istanbul and other areas of Turkey on Wednesday, prompting widespread panic and scores of injuries in the city of 16 million people.

A 6.2 magnitude earthquake shook Istanbul on Wednesday, prompting people to evacuate buildings. Here's what we know so far.