India, Sept. 11 -- Chants of "Charlie, Charlie" broke out on the second night of President Donald Trump's midterm convention as Republicans on Thursday paid tribute to Charlie Kirk, the Turning Point USA leader who was assassinated one year ago.

The normally festive and rowdy crowd inside the basketball arena in Dallas quickly hushed as a five-minute memorial video began playing. It was a somber interlude in the convention's parade of candidates.

"One year later, there is something wonderfully defiant about the fact that his voice has not grown quieter," Lucas Miles, a pastor and Turning Point vice president, said.

He said the organisation's membership and social media following have "multiplied".

Kirk was a singular figure on the rig...