TOKYO A head-on train collision in western Japan Sunday injured more than 20 people, some seriously, media reports said.

Two one-carriage passenger trains crashed on the Keifuku Electric Railroad Co.'s Echizen line, around 320 kilometers (200 miles) northwest of Tokyo, the reports said.

"The number of those who are injured is 23," an official from the local Katsuyama fire department told Japan Broadcasting Corp. (NHK).