Five teenagers have been hospitalised in Sharjah after the cigarette lighter they were sniffing butane gas from exploded.
Police received a call on Sunday that a fire had broken out in a parking lot in the emirate's Al Majaz area.
At least four of the boys are believed to have suffered from severe burns.
The youths are expected to be taken into custody for questioning once they leave the hospital.
Police say the investigation is ongoing.

UAE and Russia discuss expanding strategic cooperation
Dubai to hold Eid Al-Adha prayers at 937 mosques
Arafat Day is for 'forgiveness, mercy, faith': H.H. Sheikh Mohammed
UAE floating hospital in Egypt treats more patients from Gaza
UAE President waives over AED 834 million in debt for Emiratis
H.H. Sheikh Khaled approves AED1.54 billion in housing benefits
UAE expands support for Gaza healthcare system
UAE citizens can enjoy visa-free travel to Sri Lanka under new deal
