CHICAGO (CBS) — Children were evacuated from a parochial school in the Logan Square neighborhood, after a man threatened to jump from a roof nearby.

Police say around 6 a.m., the man jumped from one building onto the roof of another two-story residential building in the 2400 block of North Ridgeway Avenue, near Altgeld Street.

Afterward, the man threatened to jump off the two-story building, and engaged police in a standoff.

School children from Our Lady of Grace elementary school, located about a block away at 2455 N. Hamlin Ave., have been evacuated, police said.

No one was injured, police said.

The police Hostage, Barricade and Terrorism Unit was dispatched to the scene.

The Sun-Times Media Wire contributed to this report.