Prague explosion leaves dozens injured

A powerful blast in central Prague has injured up to 40 people, with more buried in the rubble.

Firemen stand in front of a building damaged in an explosion by on April 29, 2013 in Prague, Czech Republic. Up to 20 people were injured in the blast in a multi-storey house in the historic center of Prague, rescuers said. The police have sealed off the popular tourist area and evacuated people from several houses.

MICHAL CIZEK

The blast was reportedly heard up to a mile away, while buildings within a hundred yards had their windows shattered.

Rescue workers are still searching for people feared trapped in the rubble, though they are forced to proceed cautiously for fear of gas leaks.