Republican strategist John Weaver said Saturday that blame for the government shutdown falls on President TrumpDonald John TrumpTrump: 'Haven't thought about' pardons for Mueller target Pence: Rocket attack 'proves that Hamas is not a partner for peace' Conservation remains a core conservative principle MORE and the GOP.

“Trump created the [Deferred Action for Childhood Arrivals (DACA) program] crisis. The congressional wing of the GOP refused to fund CHIP. Trump & GOP ignored the pleas of the Pentagon for a fully funded budget. All of this is on them,” Weaver said.

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The strategist, who previously worked for Ohio Gov. John Kasich (R) and Sen. John McCainJohn Sidney McCainGraham: McCain 'acted appropriately' by handing Steele dossier to FBI What should Democrats do next, after Mueller's report? Tom Daschle: McCain was a model to be emulated, not criticized MORE’s (R-Ariz.) 2008 presidential campaign, has often been critical of Trump. 

The government shut down at midnight on Friday after the Senate failed to pass a continuing resolution to fund it. Democrats and Republicans are scrambling to place blame on the other side for the failure.

Trump and Republicans have blamed Democrats for the shutdown. But Democrats fired back, saying it was the GOP’s fault for refusing to attach a measure extending protections for recipients of the DACA program to the bill.

The hashtag #TrumpShutdown was the top trending topic worldwide Friday night.

Trump blamed Democrats for the government shutdown in a series of tweets Saturday morning.