(Portland, OR)  --  Police say pursuit of a suspect ended with a crash in Southeast Portland earlier this morning.  Authorities say the chase began in Clackamas County and ended in the area of Southeast Powell and 157th.  Police tell KOIN-TV a tire on the suspect's vehicle came off, causing the car to crash into a utility pole and bring down several power lines.  There's no word on whether anyone has been injured or arrested.