Updated at 11:30,08-12-2016

Who wanted to blast Batska?

St. Petersbourg police are looking for an anonym who informed about "mining" of Moscow and Minsk metro.

According to the web-site konkretno.ru, an unknown person called the police at 3 a.m. and informed that he was preparing a terrorist attack and a blast. After that, he added: "I will blast Moscow metro and Belarusian metro as well. I want to blast Batska ("The Father")!" and hung up.

The caller used a cell phone registered in the name of a 50-year-old woman from St. Petersburg. She told the police that her 23-year-old son used the phone permanently. He told the policemen point-blank that he had not called them.

Police is conducting checking. They found no explosives in the apartments of the mother and the son.