pan road. the southbound lanes are open. i ll be back with much more on this beltway crash. guys? melissa, thank you. it s 5:00 a.m. good morning, everyone. i m aaron gilchrist. and i m eun yang. let s check in with weather with amelia segal. good morning, amelia. the temperature is now down to 62 degrees. by 9:00 a.m., partly sunny. temperature around 66. mild, 72 degrees at 11:00 a.m. but scattered showers, potentially even a few thunderstorms in the forecast. mainly later today you can see on storm team 4 radar tracking already back in west virginia. the cold front is going to move through the area this evening. i ll have more on the timing of the rain potential coming up in ten minutes. developing this morning we re learning a d.c. police officer who opened fire on a suspect who s now on the run. this started with a traffic stop on prince george s border. not clear right now whether that suspect was hit or if anyone shot at the officer. there is a search under way