WEST UNIVERSITY, Texas -- Police in West University are investigating an armored car robbery outside a bank.

The robbery happened at about 9:30 a.m. Tuesday at the Bank of America in the 6700 block of Stella Link.

Witnesses told police two male suspects wearing camouflage and ski masks struck a Grada armored truck guard in the head. It happened as the driver was taking a moneybag into the bank.

The suspects, who were armed, were last seen in a gray SUV west bound on Bellaire Avenue. Police released surveillance pictures hoping someone will be able to provide more clues in the case.

Anyone with any information about the criminals may contact the FBI Task Force at 713-693-5000 or the West University Place Police Department at 713-668-0330.