PORTLAND AND WESTERN RAILROAD'S TRAIN #663-23 EXPERIENCED AN UNDESIRED EMERGENCY BRAKE APPLICATION AS THE TRAIN RETURNED ON PROPERTY VIA THE UNION PACIFIC RAILROAD'S LABISH CONNECTION SUBSEQUENTLY DERAILING FIVE TOTAL CARS IN THE 71-CAR TRAIN. DURING THE DERAILMENT, A SEMI-TRUCK AT THE CHERRY AVE CROSSING (FRA ID #067205F) WAS STRUCK BY CITX 701789. NO HAZARDOUS MATERIALS SPILLED; SALEM PD #SMP26033760. TSA #04-12125-26. (O-PNW536726, C1-PNW425926D, ***C2-PNW426026G)