Chester police are investigating two separate shootings that left three people critically injured Tuesday. Police said two males were shot at around 11:30 p.m. on Tuesday along the 1100 block of West 9th Street in Chester. Action News has learned that officers found them with gunshot wounds to their heads and that they were unresponsive while being rushed to the hospital. Right now, we're still working to learn their ages and how this all unfolded.