City Reporter Classes at Dow University of Health Sciences (DUHS) and Dow Medical College were suspended on Wednesday over fears of toxic gas presence in the air. Examinations scheduled to be held at the education institution on Wednesday have also been postponed, a spokesperson of DUHS said. A strong smell of gas was being felt at Dow University for last two days, the university statement said. The classes will resume as per routine from Thursday, the spokesperson added. The Dow University and Dow Medical College are located in southern district of Karachi at a few miles’ distance from the port area, which is reeling under a suspected gas leak that has thus far claimed at least 14 lives, according to a Sindh health department spokesperson.