Odesa Public TV reports.
"The explosion occurred in 6/1 Krasnov Street," the TV station adds.
Witnesses wrote about two blasts in social media, the bank’s elevator shaft has been severely damaged.
No casualties have been reported. Police and experts on explosives are working at the scene of the incident.
Local Dumskaya site has reported police located a grenade launcher RPG-18 on the other side of the street.