Metro

Driver, 81, hits cyclist

An 81-year-old motorist hit a bicyclist in Brooklyn yesterday seconds after smacking into an empty school bus and fleeing, cops said.

The bicyclist, 62, was struck at 4:24 p.m. at 18th Avenue and 72nd Street in Bensonhurst and rushed to Maimonides Hospital in critical condition.

The elderly driver was taken to Lutheran Hospital in unknown condition.