An Israeli raid on the West Bank city of Jenin stretched into a second day on Wednesday, an AFP correspondent reported, after eight Palestinians were killed the previous day. Explosions and gunfire were heard from inside the adjacent Jenin refugee camp, the AFP correspondent said. The Palestinian health ministry in Ramallah said Israeli troops had killed eight people and wounded nearly 20 during the raid, which began on Tuesday morning. An AFP correspondent saw four bodies at Jenin’s Khalil Suleiman government hospital morgue. The Israeli army claimed on Wednesday that troops had “exchanged fi…