Police arrested a 53-year-old vendor after he was caught openly brandishing a firearm in Barangay Western Bicutan, Taguig City, on July 10.The suspect, identified only as alias Rolando, a resident of the barangay, was apprehended around 11 p.m. during surveillance operations by the Station Intelligence Section of the Taguig police.Authorities said Rolando was seen walking while brandishing a gun. Officers approached, disarmed, and arrested him.C…