BOSTON (AP) — A civil liberties group is challenging a Trump-era immigration policy as it seeks to unite seven asylum seekers with their families in Massachusetts.

The American Civil Liberties Union of Massachusetts, in a lawsuit filed Tuesday in Boston federal court, said the asylum seekers from Central America expelled last fall include an unaccompanied child fleeing Guatemala to seek safety with family in Massachusetts. The plaintiffs include two families sent back to the Mexican border.

The suit challenges a rule imposed under former President Donald Trump that expelled asylum seekers from the southern U.S. border, on the grounds that they might exacerbate the coronavirus pandemic.

The ACLU called on President Joe Biden to repeal the rule, saying it exploited a public health crisis to further Trump’s hardline immigration policies and "racial animus towards Central Americans and people of color.”

The Department of Homeland Security, which is named in the suit, declined to comment, citing the pending litigation.

The ACLU is also challenging the Trump-era policy in other federal courts.

The organization filed a class action suit in Washington D.C. on behalf of unaccompanied children seeking protection in the U.S. in November and in January filed a class action suit seeking to stop the expulsion of migrant families.