DHS agents serve warrants at Columbia University after protests over Mahmoud Khalil's arrest

Columbia University confirms Homeland Security agents entered 2 assemblage residences Thursday nighttime with warrants, but nary 1 was arrested oregon taken into custody. Earlier successful the day, dozens of protesters entered Trump Tower successful New York City to request the merchandise of Mahmoud Khalil, the Columbia postgraduate and pro-Palestinian activistic who has been detained by ICE. CBS News analogous Michael George has more.