India, April 27 -- A Level-3 fire broke out at the Enforcement Directorate (ED) office in Maharashtra's Mumbai on Sunday, with officials saying that many important documents were destroyed by the blaze.

The fire erupted at the Kaiser-I-Hind building located in the Ballard Estate area in Mumbai. No casualties were reported.

According to a news ANI agency report, the fire broke out at around 2:30 am and was escalated to level 3 at approximately 4:21 am. A level-3 classification is typically reserved for major fires.

Mumbai Fire Brigade Chief Fire Officer Ravindra Ambulgekar told ANI that there was a level 3 fire, and it took time to extinguishing the flames was challenging due to the heavy smoke.

"It was a level 3 fire. It took time to ...