Motorists were bombarded with fireworks being thrown by yobs.
A man reported to police that he was driving on Caton Road in Lancaster at 8.30pm on Monday when someone threw a firework which went underneath his car and exploded.
Luckily there was no damage caused to the car.
An hour later, police received a report that a group of youths were causing a nuisance by throwing fireworks on a grass verge on Langdale Road but by the time they reached the area, the youths had disappeared.
Contact police on 101 with any information.