At least 13 people have died after the roof of a railway station collapsed in Novi Sad, Serbia, on Friday, according to CNN affiliate N1.

Serbia’s interior minister, Ivica Dačić, announced the updated death toll, N1 said, adding that rescue operations are still underway.

More than 30 people were injured, according to local media reports. Two survivors pulled from under the rubble are currently in hospital, a statement from Serbia’s Interior Ministry said, and the condition of one of them is “quite serious”.

Rescuers are in contact with two others still stuck under the rubble, Interior Minister Ivica Dacic said. “We are in contact with two people under the rubble. We are working on getting them out”, - he said.

Rescuers were at the scene of the accident within minutes of an emergency call being made, according to Dacic. Nearly 80 rescuers have been deployed to the scene, he said. The rescue operation is expected to take several more hours.