Prospects for a bipartisan disaster aid package appeared dimmer Tuesday after the Senate’s top GOP appropriator said the Trump administration and congressional Democrats are voicing fresh objections.

“I don’t know of a disaster aid bill in recent years that has been this protracted,” Senate Appropriations Chairman Richard C. Shelby told reporters.

[Puerto Rico disaster aid delay could renew Democratic suspicions of Trump’s stonewalling]

“We keep working on it and working on it and working on it,” Shelby said. “It’s got some obstacles — some of them coming from the White House, some of them coming from the Democrats.”

The Trump administration wants the package to include $4.5 billion in additional border-related spending it requested last week, but that’s a nonstarter with Democrats, according to the Alabama Republican.