Hawaii Gas is on the scene of a gas leak in Waipahu. It was reported after 8 a.m. under the bridge at Aniani Street and Farrington Highway.  No evacuations were necessary and Fire, Department spokesman David Jenkins says no one is in danger. However, Farrington Highway will remain closed in both directions between Waipahu Depot Road and Pupupuhi Street while the gas crew is on scene. Repairs are expected to take until midnight.