A brief scuffle broke out between protesters and NYPD officers during a pro-Palestinian march and protest near Columbia University Friday afternoon.
Chopper 4 captured video of a group protesters pushing and shoving with police and several people being led away in handcuffs at 119th Street and Amsterdam Ave.
After the scuffle, the protesters continued on with a march in Morningside Heights.
Around 5:15 p.m., another scuffle broke out on Broadway near 108th Street and at least one person appeared to be put in the back of a police vehicle by officer.
Police said 15 people were taken into custody -- 12 of them were issued summonses and released.
Get Tri-state area news delivered to your inbox. Sign up for NBC New York's News Headlines newsletter.