17,974 people shifted to 117 relief camps in Ernakulam district due to heavy rainfall in the state. IMD issues red alert in 12 out of 14 districts in Kerala. 33 out of 39 dams in the state have been opened around 4000 families moved to safer places last night since water is being released from Mullaiperiyar dam. Cochin airport suspends operations till 18th August. Drinking water likely to become issue as several water treatment plants along Periyar affected except for Aluva treatment plant.