According to news reports, a critical situation unfolded at Villanova University in Radnor, Pennsylvania, where an active shooter was reported earlier this afternoon. Radnor Township Police Department has responded promptly to the scene, and a shelter-in-place order has been issued affecting all residents and the university community.

The university has specifically cautioned people to avoid the area around the law school building, John F. Scarpa Hall, which houses the law school's main facilities including the library, research centers, and classrooms. This alert was issued around 4:30 p.m., following the conclusion of the law school's annual orientation which had ended with a celebratory picnic hosted by the Villanova Law Alumni Association.

The cheerful atmosphere of the orientation event contrasts starkly with the current tense situation. Earlier in the day, the Villanova Law Twitter account posted about the success of the event, expressing excitement for the incoming class of 2028 and their upcoming academic journey.

Authorities are on-site, and details about the shooter or any potential motives or injuries are still forthcoming. The university and local law enforcement are urging everyone to stay clear of the area to ensure safety and to facilitate the ongoing police operations.

This story is developing, and further updates will be provided as more information becomes available.