A lockdown and shelter-in-place order has been lifted at Southern Maine Community College in South Portland. The college issued an alert around 9:15 a.m. urging students, staff, and visitors to shelter in place and lock doors until further notice. South Portland police said a man was threatening to kill himself Tuesday morning near the Spring Point Ledge Lighthouse, which is near the campus. The man surrendered and was taken to a local hospital. The lockdown was lifted just after 9:30 a.m.