Explosion hit key bridge linking Crimea to Russia

Images from the bridge showed a fiercely burning fire engulfing at least two railway carriages from a train on the bridge, accompanied by a vast column of black smoke.

The explosion, which witnesses said could be heard kilometres away, took place around 6 a.m. on Saturday while a train was crossing the bridge.

A truck was blown up on the Crimean Bridge, the National Anti-Terrorist Committee said.