PORTLAND, ORE. – A carjacking incident in Southeast Portland led to the arrest of three individuals, including two juveniles and one adult, on Wednesday morning. At approximately 10:00 a.m., officers from the East Precinct responded to a call reporting a carjacking at gunpoint in a parking lot near Southeast 143rd Avenue and Southeast Stark Street. Upon arrival, officers spoke to the victim, a man who stated that his vehicle had been stolen at gunpoint by several suspects…