Khandwa (MP), Apr 20 : Four girls met a watery grave on Wednesday while a group of minors was bathing in a canal near the renowned pilgrim destination Omkareshwar, police said quoting preliminary reports. One of the children began drowning and three others also perished in an attempt to save her. People in the vicinity brought other kids out of the water and they were rushed to hospital. Divers fished out the corpses. XC-AC