Two men were admitted to hospital in a critical condition this afternoon after suffering burns when trying to start the motor of a dinghy they were on at Armier.
The police said the incident happened at around 1pm.
Relatives gave the victims - a 28-year-old man from Marsa and a 33-year-old man from Żebbuġ - first aid and took them to the nearest health centre from where they were transferred to Mater Dei Hospital by ambulance.
An inquiry is being held.