MOSCOW, December 4 (RIA Novosti) - Five people have been killed in apartment fire in the city of Chernyakhovsk in Russia's Baltic exclave of Kaliningrad, a police source said on Thursday.

It took firemen some 90 minutes to extinguish the blaze. A short circuit is thought to be to blame for the fire.

"The apartment's owner, his neighbor, two unidentified women and a man died from burns," the source said.