Crews from Pwllheli, Caernarfon, Abersoch and Holyhead and the specialist Environment Protection Unit from Holyhead are currently in attendance at a road traffic collision involving a HGV and a 4 x4 vehicle on the road between Nefyn and Sarn.

No one is thought to be injured.

Firefighters are working alongside partner agencies onsite to deal with a small fuel leak from the vehicles involved in the incident.