Thick clouds of black smoke were emitted as an oil refinery in Balongan, Indonesia, continued to burn on Thursday (March 31).

Another explosion at the refinery prompted residents to be evacuated again at 9 am on Thursday.

Head of Balongan Village People's Welfare Affairs, Dedi Hidayat, said the sound of the explosion shocked the residents and officers.

"The explosion this morning wasn't as big as the first day yesterday, nor was it dangerous as it was the impact of the fire extinguishing the refinery tank fire," Hidayat added.

Indonesia oil refinery in Balongan Indramayu, exploded again during a fire suppression by fire fighting officers on Wednesday (31 March) at around 09:15 a.m.

Explosion, which caused a strong tremor, prompted residents to be evacuated again.

Head of Balongan Village People's Welfare Affairs, Dedi Hidayat, said the sound of the explosion shocked the residents and officers.

"The explosion this Wednesday morning wasn't as big as the first day yesterday, nor was it dangerous as it was the impact of the fire extinguishing the refinery tank fire," Dedi Hidayat added.

Drone footage filmed Wednesday afternoon, view two of the tanker fires had been extinguished and two other tanker still on fire.

Pertamina is focused on extinguishing fires at the two other tankers.