Authorities are stepping up security at the headquarters of an international Jewish organization in Brooklyn after a mentally ill man wandered inside and stabbed a student in the head. Police shot and killed the man.

An emotionally disturbed man stabbed an Israeli student in the head at an international Jewish organization in Brooklyn early Tuesday, then was shot and killed by a police officer after lunging at him with a knife, authorities said.

NEW YORK—A celebrated portrait of a Parisian actress by Edouard Manet is poised to set a new auction record for the artist during the second day of a major fall sale of impressionist and modern art.

A letter by Charles Darwin on the sex life of barnacles and a still-working vintage Apple computer — one of only 50 made in Steve Jobs’ garage in 1976 — are among the unique pieces of science history up for auction this month.

Whimsical drawings, poems, and short stories from two humorous books John Lennon produced in the 1960s fetched skyrocketing prices at auction Wednesday, including $209,000 for a nine-page parody of Sherlock Holmes.