Just days after an executive order signed by President Trump in late January amounted to a shot across the bough of sanctuary cities, Santa Clara County and San Francisco asked a federal judge to block the order.

Alameda County, which is also a declared sanctuary county, may soon follow suit. A closed session briefing on the matter is scheduled for Tuesday morning’s Board of Supervisors meeting. The Santa Clara and San Francisco Counties lawsuits are referenced on the agenda.

Trump’s threat of pulling federal funding from sanctuary cities presents a risk to municipalities which receive anywhere from millions to hundreds of millions in federal grants each year.

Alameda County received $424.1 million from the federal government during the last fiscal year, according to its 2015-16 budget overview. The amount makes up 17.8 percent of its entire $2.4 billion budget, the second largest portion of funding behind the nearly $1 billion it receives from the state.

In addition, Alameda County includes five sanctuary cities–Oakland, Berkeley, Alameda, Emeryville and San Leandro, which approved its resolution on Feb. 21.

In the case of San Leandro, the impending threat issued by the Trump administration was met with general indifference by the San Leandro City Council and its city attorney, who questioned the executive order’s constitutionality.