Three people have been injured in two separate collisions involving pedestrians on Monday evening, according to Montgomery County Police. Shown, is the scene at about 8:40 p.m., two pedestrians were hit by a car on Rte. 355 and O'Neil St. in Gaithersburg. The other accident took place at about 6:30 p.m., an adult male was struck by a car on Wisteria Drive north of Rte. 118 in Germantown.