A passenger train in Greece carrying hundreds of people collided with an oncoming freight train in a fiery wreck in the country’s north early Wednesday, killing 29 and injuring at least 85, officials said. Multiple cars derailed and at least three burst into flames after the collision near Tempe, a small town next to a valley where major highway and rail tunnels are located, some 380 kilometers (235 miles) north of Athens. Hospital officials in the nearby city of Larissa said at least 25 people had serious injuries.