Explosion at BP refinery in Indiana

WHITING, Indiana (NEWSCHANNEL 3) - An explosion at the BP refinery in Whiting, Indiana rattled nearby homes.

Right now no injuries are reported and no evacuation is ordered.

The explosion late Wednesday night could be heard clearly and even felt several blocks from the plant.

When fire commanders called plant officials to see if assistance was needed, they were told only to stand by.

Right now it's not clear what caused the explosion.