WASHINGTON (AP) — The Latest on the government shutdown (all times local):

11:10 a.m.

The White House says President Donald Trump phoned Senate Majority Leader Mitch McConnell to discuss strategies to reopen the government.

Deputy press secretary Hogan Gidley says Trump called the Republican Senate leader on Saturday morning. Gidley says chief of staff John Kelly is speaking with lawmakers and congressional leadership, while legislative affairs director Marc Short and budget director Mick Mulvaney are on Capitol Hill.

The shutdown is marring the anniversary of Trump's inauguration. For a businessman who made his career selling himself as a deal-maker, he is struggling to find consensus with Congress on a funding agreement.

The White House says Trump will not negotiate with Democrats over their demands to provide legal protections for roughly 700,000 young immigrants known as "Dreamers" until the government is reopened.

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11 a.m.

Junior White House aides are using their out-of-office messages to assign blame to Democrats for the government shutdown.

The automatic replies from White House assistant press secretaries Ninio Fetalvo and Natalie Strom say, "Unfortunately, I am out of the office today because congressional Democrats are holding government funding_including funding for our troops and other national security priorities_hostage to an unrelated immigration debate."

Hundreds of nonessential White House staffers are barred by law from working during the shutdown. The three deputy press secretaries are still working, however, as is press secretary Sarah Huckabee Sanders.

President Donald Trump had been set to leave Friday for a fundraiser Saturday at his Florida estate marking the anniversary of his inauguration but delayed the trip over the shutdown. It's unclear if he will attend.

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10:25 a.m.

House Democratic leader Nancy Pelosi is giving President Donald Trump an F for "failure in leadership" on the anniversary of his inauguration.

Pelosi also slammed congressional Republicans on Saturday as the government shutdown began.

In a speech on the House floor, Pelosi said Republicans who control the White House and hold majorities in the House and Senate are "so incompetent and negligent that they couldn't get it together to keep the government open."

Pelosi urged Republicans to "get down to business for everyday people in America."

She says Trump has tweeted that the country "needs a good shutdown." She says: "Your wish has come true for your one-year anniversary."

Republicans have blamed Democrats for the shutdown.

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9:50 a.m.

The White House says President Donald Trump will not negotiate immigration policy with Congress until the government reopens.

Spokesman Hogan Gidley says it's "disgusting" that Senate Democrats "decided to just throw our military under the bus."

Some government functions shut down at midnight Friday after the Senate failed to pass a short-term extension of government funding. Some Democrats voted against the bill because it did not include measures to shield from deportation immigrants who were brought to the U.S. illegally as children.

Democrats demanded that immigration be included in the funding bill. The White House insists the issues be deal with separately.

Trump in a tweet Saturday accused Democrats of being more concerned about immigrants in the country illegally than about the military.

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7:35 a.m.

President Donald Trump is blaming Democrats for the government shutdown — tweeting that they wanted to give him "a nice present" to mark the one-year anniversary of his inauguration.

He says Democrats "could have easily made a deal but decided to play Shutdown politics instead."

And as part of a series of tweets hours after the shutdown began, the president is trying to make the case for Americans to elect more Republicans in the November elections "in order to power through this mess."

Trump is accusing Democrats of being more concerned with "Illegal Immigrants than they are with our great Military or Safety at our dangerous" border with Mexico.

He's also noting there are 51 Republicans in the Senate, and it takes 60 votes to move ahead on legislation to keep the government running — so some Democratic support is needed now.

In Trump's view, "that is why we need to win more Republicans" in the midterm elections.

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2:36 a.m.

The federal government has shut down.

That means a halt to all but the most essential operations. And the shutdown is marring the one-year anniversary of President Donald Trump's inauguration.

It's a striking display of Washington dysfunction.

Last-minute negotiations crumbled when Senate Democrats blocked a four-week extension. And that's led to the fourth government shutdown in a quarter-century.

Leading Republicans and Democrats are now trying to work out a compromise to avert a lengthy shutdown.

Congress has scheduled an unusual Saturday session to begin considering a three-week version of the short-term spending measure.