11:40 p.m. (EDT)

Darkness isn't stopping the hunt for the two killers who escaped from a maximum-security prison eight days ago in upstate New York.

State police remained stationed overnight Saturday and into Sunday at intervals everywhere in the wooded search area, which came alive with the loud chirps of crickets and frogs. Along Route 3, a two-lane highway south of Dannemora that abuts the Saranac River, a series of lights illuminated both the roadway and fields where earlier hundreds of officers had conducted more grid searches. Troopers said more than 800 law-enforcement officers were still taking part in the operation.

State police say investigators will continue to search door-to-door and plan to expand the search further east on Sunday.

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5:30 p.m. (EDT)

Eight days into the massive manhunt in upstate New York for two convicted killers, state police say they have no new leads.

Hundreds of law enforcement officers blanketed a wooded area Saturday southeast of the maximum-security prison where David Sweat and Richard Matt escaped using power tools and leaving dummies under covers on their prison cots.

By late evening, about 30 officers emerged from the woods along Route 3, a few miles south of the Clinton Correctional Facility in Dannemora. More officers lined up on the shoulder waiting to be picked up to take a break before continuing the search before darkness sets in.