WJLA reports that two people were seriously injured this morning after a motorcyclist struck a pedestrian near 18th and I Streets NW. Police will investigate the crash, D.C. Deputy Fire Chief Ken Crosswhite told the news station, which happened around 9:30 a.m. and sent both people to the hospital with potentially life-threatening injuries. It’s so far unclear whether the pedestrian was in a crosswalk or not.