Police say a bomb exploded in a busy market area in a southern Nepal town and killed at least four people. Police said the explosion occurred in Janakpur during the Monday rush hour. There were 10 more people wounded, but details were sketchy. Police are investigating and confirmed it was a bomb that had exploded, according to a report of the Associated Press. The town is about 200 kilometers (125 miles) southeast of the capital, Katmandu.