All the Karachi Metropolitan Corporation (KMC)-run hospitals and rescue 1122 service have been put on high alert on the directives of Karachi Administrator Iftikhar Ali Shallwani in the wake of a heatwave forecast by the Pakistan Meteorological Department. Sources said that all departments of the KMC’s medical and health services were asked to remain on alert to cope with any untoward situation. All officials concerned and staffers were also asked to remain on duty round the clock, they added. The sources said the focal persons of the hospitals were directed to make foolproof arrangements.