PATH train service is running again between the Harrison and Journal Square stops.Service was suspended Wednesday morning after a repair train caught fire. Officials say the fire broke out around 2:30 a.m. on the eastbound track between the Harrison and Journal Square stops. They say no one was injured and that no passenger trains or other vehicles were affected. The Port Authority is investigating what caused the repair train to catch fire. Commuters are being told to expect delays of up to 15 minutes.