Rawalpindi : The Water and Sanitation Agency Saturday declared a rain emergency in the district directing residents settled along Nullah Leh and in low-lying areas to remain on high alert and move to safer places. The residents should adopt precautionary measure because water level in Nullah Leh could touch the dangerous level during heavy rainfall in coming days, Wasa has warned.The water level in Nullah Leh here at Katarian was 11.4 feet while 7 feet in Gwalmandi during heavy rainfall on...