Police arrested one suspect in connection with an armed robbery at a Security Service Federal Credit Union on the Northeast Side, according to an arrest affidavit.

Omar Resendez-Diaz, 57, was taken into custody Wednesday and charged with aggravated robbery, according to Bexar County court records.

The robbery happened July 18, just before 11 a.m., in the 6900 block of North Loop 1604 East.