MAILSI - At least seven women were killed and 16 others wounded when an oil-tanker hit a tractor-trolley they were travelling in here on Karor Pakka Road, some 30-km West of Mailsi on Friday. As per detail, about 40 women were on way back home in the tractor-trolley after plucking cotton in fields near Chah Hambal Wala. All of sudden a speeding oil-tanker hit the tractor-trolley on Kahror Pakka Road, killing seven women on the spot while 16 other sustained critical wounds. The injured were rushed to THQ Hospital. The karor Pakka Police have registered a case.