By Luis Jaime Acosta BOGOTA (Reuters) -Officials were scrambling to free survivors Saturday after a mudslide brought on by heavy rains in northwest Colombia killed at least 34 people and injured dozens on a busy highway. The mudslide, which happened Friday afternoon, covered a roadway that connects the cities of Quibdo and Medellin in the Pacific province of Choco, authorities said in a statement. Rescuers and canines from across Colombia were dispatched to the scene to search for injured people, the statement added. Mud had completely engulfed several cars on the road. “We lived a very sad we…