Senate Republicans balk at McCarthy’s plan to separate Ukraine aid from government funding bill

House Speaker Kevin McCarthy is planning on yanking further Ukraine funding from a short-term spending bill, but his GOP colleagues in the upper chamber are leery of the move.

Mr. McCarthy’s plan would nix $24 billion in added Ukraine aid requested by the White House from a stopgap spending bill to keep the government open past the Sept. 30 shutdown deadline.

The aid money, which is part of a larger $44 billion request made by President Biden last month that includes billions in disaster funding, would instead be attached to...