A masked man using a hypodermic needle as a weapon Sunday afternoon robbed an east Santa Rosa gas station, according to Santa Rosa police.

The robbery was reported at about 3:15 p.m. at the Valero gas station on Yulupa Avenue, police said.

The robber, wearing a bandana over much of his face, threatened an employee with a needle before leaving with cash, according to an employee.

Santa Rosa police searched for the man but he remained at large late Sunday afternoon.