Police arrested nine people who were protesting against ICE at Sen. Susan Collins' Portland, Maine office.

Portland Police arrested 9 people outside Sen. Susan Collins' office Tuesday.

The demonstration came at the end of a week in which federal immigration officials said over 100 people had been detained in Maine.

Many of the demonstrators began marching down Congress Street around 6 p.m., chanting slogans like, “No justice, no peace, get ICE off our streets.”

Portland Police monitored a South Portland ICE protest, leading to four arrests without using crowd control munitions.

Portland police arrested four people Saturday during protests at an Immigration and Customs Enforcement facility in the South Waterfront area.

A protest is taking place in South Portland in response to federal agents shooting and killing a man in Minnesota on Saturday morning. Read more:

A group of faith leaders representing nearly 10 denominations demanded that Maine's Republican senator vote against a Homeland Security funding bill and that she call for ICE to end its current enforcement surge here.

A Portland Police officer who was filmed punching a protester earlier this month during an anti-ICE protest was also named in a lawsuit years earlier by a different protester who was injured by police.