The U.S. Conference of Catholic Bishops says the administration, by withholding millions even for reimbursements of costs incurred before the sudden cut-off of funding, violates various laws as well as the constitutional provision giving the power of the purse to Congress, which already approved the funding.

The U.S. Conference of Catholic Bishops (USCCB) on Tuesday sued to challenge the Trump administration’s moves to block funding for refugee resettlement programs. Immigration groups