Northbound Interstate 5 closed at Del Mar Heights overpass

A person moving back and forth across the edge of an overpass, threatening to jump into the lanes below, shut down the northbound side of Interstate 5 in Del Mar Heights on Friday.

The incident was first reported around 11:40 a.m. on the Del Mar Heights Road overpass, according to online California Highway Patrol logs.

A SigAlert was issued early in the afternoon, and lanes for the freeway and on the overpass were shut down by 12:30 p.m., according to CalTrans. As of 3 p.m., the lanes remained closed going into the rush hour. Crisis negotiators were at the scene.

The San Diego Police Department, which responded to the scene, told commuters on social media to expect “significant traffic delays … for the time being.”