Motorcycle slams car on DW631. Car hits police vehicle injuring four including cops and detainee. 25-year-old dies in horrific bike crash with fleeing perpetrator. Foreigners brutally brawl on Wola heavily injuring one and wrecking car. Child dies in car-truck collision with two more seriously hurt. Elderly guard beaten by Azerbaijani food deliverer for requesting vehicle move. Attacker ignores request then kicks guard repeatedly after knocking him down. Aggressor pulls knife-like object but guard escapes. Injuries minor enough for on-site aid only. Area hosts Muslim Culture Center where locals report growing threat. Witnesses shocked by violent reaction to polite request. Police secure footage and witness phones to ID suspect. 45-year-old Azerbaijani detained in morning with proceedings underway.