Chilean reporter Belen Sanchez braves the cold to interview guests arriving to the Alexander Wang Fall 2016 show during Fashion Week, Saturday, Feb. 13, 2016, in New York. With temperatures continuing to drop throughout the day Saturday, Mayor Bill de Blasio urged New Yorkers to stay safe and warm by limiting time outdoors, reporting heat and hot water conditions to 311, and checking in on vulnerable friends, relatives and neighbors.  (AP Photo/Diane Bondareff)

As teeth-chattering temps move in, officials urge caution

Police said weather was a factor in a deadly pileup in Pennsylvania that saw dozens of vehicles — tractor-trailers, box trucks, cars and SUVs — tangled together across three lanes and the snow-covered median of Interstate 78.

Notre Dame’s Demetrius Jackson (11) goes in for a layup next to Louisville’s Chinanu Onuaku (32) during the second half of Notre Dame's 71-66 win in an NCAA college basketball game Saturday, Feb. 13, 2016, in South Bend, Ind. (AP Photo/Robert Franklin)

Notre Dame takes down No. 13 Louisville

Jackson kept the Fighting Irish in the game in the first half, Vasturia led the rally back from an 11-point deficit in the second and other Notre Dame players finally hit some key shots down the stretch in a 77-66 victory Saturday.

Purdue forward Caleb Swanigan (50) tries to steal the ball from Michigan guard Caris LeVert (23) in the first half of an NCAA college basketball game at Crisler Center in Ann Arbor, Mich., Saturday, Feb. 13, 2016. (AP Photo/Tony Ding)

No. 18 Purdue stunned by Michigan

The Wolverines (19-7, 9-4 Big Ten) trailed by six points late in the second half after a stretch of 2-for-20 shooting. A funk like that is usually enough to sink Michigan against good opponents, but on this day it was Purdue (20-6, 8-5) that couldn’t score down the stretch.