OKARA   -  Twelve schoolchildren were drowned into a canal on Wednesday as the rickshaw hit the bridge and fell into the canal near Hujra Shah Muqeem in Okara. According to reports, the incident happened because of overspeeding. The rescue 1122 reached the spot immediately after the incident was reported. Four children have been rescued, while the search for the remaining eight is ongoing. The rickshaw driver was fled after the incident.