More than 20 others were injured and transported from the accident site in Karuizawa town, 120km northwest of Tokyo, Kyodo News agency reports.
The bus carrying about 40 passengers veered off the road, breaking through the guard rail about 2am local time, authorities said.
11 dead, 28 injured after ski bus goes off cliff in Nagano ??????????????????????????https://t.co/Y0S4cbpN8i pic.twitter.com/WL1Xx2DJ1N
— Tokyo Reporter (@tokyoreporter) January 14, 2016

