Protesters gather at Columbia University after school says DHS detained student

Federal agents detained a Columbia University student Thursday morning at one of the school's residential buildings, acting President Claire Shipman wrote in an email to students. Manhattan Borough President Brad Hoylman-Sigal claimed in a social media post that the agents "impersonated NYPD with fake badges and a phony missing persons bulletin for a 5 year old girl." CBS News New York's Doug Williams reports.