CLINTON — A critical training exercise has been ongoing at Hamilton College this week, a joint drill between the college, New York National Guard and other local public safety agencies, according to Hamilton College.

The drill began Tuesday and is expected to last through the week.

The drill is focused primarily in and around the Taylor Science Center on campus, officials said.

All students and members of the public not involved in the training exercise are asked to avoid the building and the area until Friday morning.