Two men were arrested on Tuesday night for allegedly killing a former co-worker in Kashimira area in Thane district of Maharashtra, police said on Wednesday. The accused Avinash Bhamne (31) and his friend Ranjit Shaire (25) allegedly smashed the head of the victim Harishchandra Kachoriye (30) with a hard object when he was sleeping, on the intervening night of November 18 and 19.