"We are looking for every responsible nation to support peace in the subcontinent and across this war in Afghanistan", Mattis told reporters.
"In this regard, he has sought Pakistan's support and facilitation", the Pakistan Foreign Ministry said in a statement.
The development came weeks after Trump said Pakistan does not do "a damn thing" for the U.S., alleging that Islamabad had helped al-Qaeda chief Osama bin Laden hide near its garrison city of Abbottabad.
His answers to the Senate Armed Services Committee in response to a set of written questions come a day after it became public that Trump has written a letter to Imran Khan, seeking his help in the Afghan peace process.
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Bush will be eulogized by former Canadian Prime Minister Brian Mulroney, whose time in power overlapped with Bush, former US Sen. He also led the U.S.to a military victory in reversing Iraqi dictator Saddam Hussein's takeover of Kuwait.
Afghanistan's security forces are taking unsustainable casualties and would collapse if all U.S. troops withdrew, the nominee to lead U.S. Central Command said on Tuesday.
Khalilzad, an Afghan-born veteran USA diplomat who served as George W. Bush's ambassador to Afghanistan, Iraq and the United Nations, was named by the Trump administration three months ago as a special envoy to negotiate peace in Afghanistan. The Taliban are fighting to flush out global forces and re-establish their regime in Afghanistan after their ouster in 2001.
"The United States has foolishly given Pakistan more than 33 billion dollars in aid over the last 15 years, and they have given us nothing but lies and deceit, thinking of our leaders as fools".
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The 33-year-old was instrumental as Real clinched a third successive Champions League trophy last season. Midfield wizard Luka Modric has been named recipient of the 2018 Ballon d'Or .
The development comes as Washington steps up efforts to hold peace talks with the resurgent Taliban, more than 17 years after the invasion of Afghanistan.
"And I'm off again: Pakistan, Afghanistan, Russia, Uzbekistan, Turkmenistan, Belgium, the United Arab Emirates and Qatar".
The militant group wants to recapture power in Afghanistan. He has emphasised that Pakistan and U.S. should explore opportunities to work together and renew partnership, according to the foreign office. Ahead of assuming charge as USA special envoy, he was known for his staunch views against Pakistan.
Reacting quickly, Foreign Secretary Tehmina Janjua summoned United States Chargé d'Affaires (CdA) Ambassador Paul Jones to register a strong protest against the "unwarranted and unsubstantiated allegations made against Pakistan" by Donald Trump over the last two days.
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He concluded his message by referring to a "level of sexism unreal". It had not previously included a women's football category. If people think that it's okay to ask someone to do that.