Maryland September 5, 2018 7:10 pm Prince Georges Co. Schools Close Early for Heat Prince George’s County Public Schools closed early Thursday due to the extreme heat. County Bureau Chief Tracee Wilkins reports some schools’ air conditioning systems aren’t working properly. Local 1:59 Smart devices make accidental 911 calls, emergency communications centers say 2:03 DC leaders introduce bill to require registration for mopeds 3:05 ‘An Evening With Leslie Odom Jr.' coming to Strathmore Friday 25:48 GW students plan to continue protesting until demands are met: The News4 Rundown 2:17 Family remembers woman allegedly killed by boyfriend