Around 4:45 p.m. shots were fired between two vehicles in the vicinity of Haverhill Road and Dyer Boulevard in Riviera Beach, city spokeswoman Rose Anne Brown confirms.
Two school buses were near the area where the shots were fired.
No one was injured and police are looking for "a small black vehicle."
Statement from the Palm Beach County School District:
"Palm Beach Sheriff's Office, Riviera Beach Police and School Police are working together to determine if shots were fired at a school bus on Dyer Boulevard and Haverhill Road," said Owen Torres, spokesman for Palm Beach County School Board.