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Police fired foam bullets and used batons against the thousands of protesters who converged at Barcelona's airport.

Analysis: Targeting Trump could be the ticket for candidates to get to a second look from voters

US President Donald Trump has imposed sanctions on Turkey over its military operation in Syria — a move Democrats are calling "too little, too late".

Former Russian analyst Fiona Hill testified to members of Congress Monday behind closed doors.

The White House did not try and block her from testifying but told her lawyers about areas that could fall under executive privilege.

Marie Yovanovitch told Congress last week that Trump personally pressured the State Department to have her removed from her position.

As pro-Trump digital creator communities have grown, they've found traction with people close to Trump and even the president himself.

Tiny animals with an outsized ability to survive in harsh environments, tardigrades are widely used in scientific research.

"The Firtash thing is a smear job," Giuliani told NBC News, denying that he had discussed the matter with Trump.

The number of candidates packed on stage at Otterbein University is expected to be the largest yet.

The Vatican said its police chief, 57-year-old Domenico Giani, bore no responsibility for a leaked police flyer but resigned to avoid disrupting the investigation.

Congress is back in session and more closed-door testimony is expected, among other developments.

Hill's appearance has caused concern among those close to Trump, a former senior White House official told NBC News.

First Read is your briefing from "Meet the Press" and the NBC Political Unit on the day's most important political stories and why they matter.

Kurdish troops have turned to the Syrian government and Russia for help, as U.S. forces move out of the region.

The state opening of Parliament is about as flamboyant as it gets, with ceremonies dating back 400 years.

The president provided no support for his assertion that China "almost immediately" began complying with terms of the tariff agreement he announced Friday.

The country now waits to see how Catalan separatists will react to the verdicts.

"Everything's just fallen apart," said Tom Haward, the eighth generation of Hawards to work the family's 300-year-old business.

The chairman of the House Intel committee, who is leading the impeachment inquiry, couldn't be more different than his prey.

It comes as he has faces criticism from Democratic rivals for his dependence on traditional high-dollar fundraising events.

"Sorry just doesn't cut it," said the mother of Harry Dunn, 19, who was killed.

"We need to do a lot more to hold Facebook accountable," Warren tweeted Sunday.

"It's not the business of foreign countries, any foreign countries, to be interfering in our elections," Cruz said.

"I am, I believe, the only candidate who's gonna say to the ruling class of this country ... enough with your greed, " Sanders said.