New Delhi, July 29 -- US President Donald Trump and Ukrainian President Volodymyr Zelensky met at the White House on Tuesday (July 28) to discuss efforts to revive peace negotiations with Russia and expand Ukraine's air defence capabilities through domestic production of Patriot missile interceptors.

The private Oval Office meeting took place ahead of the funeral of late US Senator Lindsey Graham, one of Ukraine's strongest supporters in Washington.

Following the meeting, Zelensky described the discussions as productive and said the leaders focused on Trump's pledge made during this month's NATO summit to allow Ukraine to manufacture Patriot missile interceptors under licence.

"We talked with the president about licenses for producing ...