(Portland, OR) -- Four Seattle teenagers are facing charges in Portland in connection with a crime spree that left one person in serious condition from gunshot wounds. Friday morning, an employee at a Portland gas station was wounded during an armed robbery. Detectives connected the suspects to a carjacking, threatening a person with a handgun and another armed robbery of a gas station. The suspects were arrested at a house in Northeast Portland. They ranged in age from 15 to 17. Charges include attempted murder and robbery. They were booked into Juvenile Detention.