Shots were fired at a BX 36 bus earlier today.
The unknown gunman fled the scene after the 4:30 a.m. shooting.
Police say the shooting happened near 174th Street and Bronx River Avenue.
Around 40 people were on the bus at the time, but no injuries were reported.
The investigation is ongoing.
Anyone with information on the case should contact the Crime Stoppers hotline at 1-800-577-TIPS, or text CRIMES and then enter TIP577, or visit NYPDCrimestoppers.com.
All calls are strictly confidential.