Federal agents lobbed teargas and flash bangs at protesters on 31 January in front of the South Waterfront ICE building in Portland, Oregon. llison Barr/APFederal agents lobbed teargas and flash bangs at protesters on 31 January in front of the South Waterfront ICE building in Portland, Oregon. llison Barr/APPortland mayor demands ICE leave city after federal agents teargas protestersWitnesses say protest outside ICE facility was peaceful until agents deployed teargas and rubber bullets around childrenThe mayor of Portland, Oregon, demanded US Immigration and Customs Enforcement leave his city after federal agents launched teargas at a crowd of demonstrators – including young children – outside an ICE facility during a weekend protest that he and others characterized as peaceful. Witnesses said agents deployed teargas, pepper balls and rubber bullets as thousands of marchers arrived at the South Waterfront facility on Saturday.