Two people, including a woman worker, have been killed in a massive blast that occurred on Wednesday late night in a chemical factory located in Khapoli area of Raigad district adjoining Mumbai. The explosion took place in a company in Jawal Sajgav of Khapoli area of Raigad district. The impact of the explosion caused damage to nearby houses. At least 16 fire engines have reached on the spot fighting to douse the fire.