The Post is reporting that an off-duty Metropolitan Police officer shot a man who was attempting to rob him at a gas station in Northeast early this morning. A police spokesperson told the paper the shooting took place at around 12:30 a.m. at 905 Brentwood Rd. NE, though it seems like the gas station in question actually has to be the Lowest Price Gas Station at 925 Brentwood Rd. NE, as no gas station appears…