This information is a few days old and has been circulated elsewhere, but for those that haven't heard the Abbot Pass area is closed until further notice.
See the following link for information on the area closure around the Abbot Pass hut while slope stabilization work is in progress:
https://www.pc.gc.ca/apps/scond/Cond_E.asp?oID=33271&oPark=100815
Parks Canada Visitor Safety
Banff, Yoho & Kootenay National Parks