It wasn’t immediately clear when the tunnel was built or whether it might have been used for smuggling drugs or people.
Authorities sealed off the U.S. side with sandbags and metal after discovering it on Monday, Mack said.
http://cnews.canoe.ca/CNEWS/World/2006/01/11/pf-1389096.html
Note: http://cnews.canoe.ca/C...
