Community Night Out at Princeton Pool Complex from 5 to 8 p.m.

Visitors headed to the new pool to beat the heat on Memorial Day. Photo by Dave Cardaciotto.

Climb a rock wall, dunk the police, eat a hot dog and swim at the Community Park Pool in Princeton for free tonight.

Princeton will celebrate Community Night Out from 5 to 8 p.m. at the pool complex at 400 Witherspoon Street.

Police, first aid and fire equipment will be on display and community organizations will also have exhibit tables at the annual event that drew more than a thousand visitors last year.