WEST WINDSOR — West Windsor-Plainsboro High School South and all schools in Plainsboro are on lockdown after police lost sight of a man and woman with hunting rifles who were wandering near Millstone Pond, West Windsor Police Lt. Robert Garofalo said.

Police have received reports that the couple are duck hunters, Garofalo said.

They are not believed to pose an immediate threat to the schools, but West Windsor police ordered a lockdown around 1:40 p.m. just in case, police said in a release.

All officers stationed in the area and a State Police helicopter are looking for the couple, police said.

Officers are stationed at every school in West Windsor and Plainsboro as well, Garofalo said.

"It's a precautionary measure," he said.

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