Four terrorist blasts rock Ukraine.

Four blasts within minutes rocked the center of the eastern Ukrainian city of Dnipropetrovsk Friday, injuring at least 27 people, USA Today report said. The prosecutors believed it was a terrorist attack.

Emergency Situations Ministry spokeswoman Yulia Yershova said the first blast occurred at a tramway stop in the center of Dnipropetrovsk, injuring five people. The second injured seven people outside a movie theater, while the third wounded three near a railway station.

A fourth blast was also heard in the city center, the Interior Ministry said. It was unclear whether anybody was injured.