BENGALURU, Feb. 16 -- Two migrant workers from Bihar were killed and four others injured on Sunday after a chemical storage tank exploded at a private factory in Basaralu, where dismantling work was underway as part of plans to relocate the unit, police said.

The blast occurred around 9.40 am at the Keerthi Chemical factory near Karekatte while workers were removing the tank. The force of the explosion killed Kalu Khan, 27, and Ashok, 26, at the scene, officials said.

"While the workers were removing the chemical tank, it suddenly exploded at around 9.40 am, Sunday. Two workers died on the spot due to the impact," an inspector at Basaralu police station, K Muralidhar, said.

The factory had not been operational for the past four years a...