<p><span style="font-size: 1rem;">At least 20 people died and 15 others were injured Saturday when a bus overturned on the Pan-American Highway in southwestern Colombia, police said.</span><br></p><p><span style="font-size: 1rem;">The bus was traveling between the port city of Tumaco, in the southwestern corner of Colombia, and Cali, 200 miles (320 kilometers) to the northeast when the incident occurred.</span><br></p><p><span style="font-size: 1rem;">"Unfortunately, we have a toll of 20 people dead," said Captain Albertland Agudelo of the Narino department traffic police.</span><br></p><p><span style="font-size: 1rem;">Among the injured were a three-year-old girl and an eight-year-old boy.</span><br></p><p><span style="font-size: 1rem;">Investigators are looking at possible "mechanical failures in the brake system," Colonel Oscar Lamprea, director of traffic and transportation in the area, said in a message to reporters.</span><br></p><p><span style="font-size: 1rem;">A preliminary report said the driver lost control after coming out of a curve in a foggy area.</span><br></p><p><span style="font-size: 1rem;">It took rescue workers from the police and fire departments nine hours to set the vehicle upright, evacuate the injured and recover the dead.</span><br></p><p><span style="font-size: 1rem;">Images obtained by AFP showed the bus, its roof caved in, perched dangerously at the edge of a steep drop-off. AFP</span><br></p><p><span style="font-size: 1rem;">bnbd24/kh</span><br></p>