The US president's four-day tour will feature talks with British PM Theresa May, tea with the Queen, and mass protests including a giant Trump baby blimp being flown over Westminster.
International cooperation to cut off their funding, expanded intelligence sharing, and cyber warfare to disrupt and disable their propaganda and recruiting is his plan to stop the terror group.
The Trump administration has been very clear that the acquisition of advanced Russian technology sends the wrong message to Russia at a time when it continues its aggressions, the official said.
Obama and Putin discussed the necessity of countering the Islamic State and the situation in Ukraine, the White House said.
US President Barack Obama has expressed deepest condolences over air strike on a hospital in Afghanistan's Kunduz city that killed 19 people and asked the Pentagon to keep him apprised of the investigation into it.
'Not only in Kashmir, but in the rest of the country.'
In a major crackdown to eliminate the terrorists' sanctuaries, Afghanistan has carried out three air strikes within a week in Kunar province, bordering Pakistan, inflicting heavy casualties on Lashkar-e-Tayiba terror group.