Overview

• A 34-year-old motorcyclist from Montcada i Reixac died after a collision with two cars on the B-40z near La Roca del Vallès on Friday night.
• Four others were injured in that crash, with one person taken in serious condition to Hospital de Granollers, two in less serious condition to Hospital de Sant Pau, and a minor treated at the scene.
• Separately, a 72-year-old woman died hours after a three-vehicle collision on the N-340 in La Riera de Gaià that also left three people less seriously hurt.
• Mossos d'Esquadra arrested a driver in the N-340 case on suspicion of grossly negligent homicide after he allegedly drove under the influence of alcohol and drugs and refused breath tests.
• Both incidents triggered full road closures and multi-agency responses by police, firefighters and emergency medical services, and investigators are working to determine the causes.