FAIRFIELD — A contractor called police when he discovered a swastika painted on a dumpster at an Old Dam Road construction site Nov. 9.

The swastika, in bright yellow paint, was immediately painted over, according to police.

No other instances of similar vandalism were found, police said. The contractor told police the swastika had to have been painted on the dumpster overnight, because it was not there at 9 p.m. Nov. 8.