Antioch police investigating bank robbery

ANTIOCH, Calif. -- Police in Antioch are investigating a bank robbery that occurred Friday.

Officers with the Antioch Police Department responded Friday at 9:51 a.m. to the Chase Bank at 4300 Lone Tree Way on a report of a robbery.

Police said a man walked into the bank, indicated he was armed with a gun and gave the teller a demand note for cash.

The suspect then fled the bank with an undisclosed amount of cash.

There was no gun seen during the robbery.