LONDON (AP) — Some British doctors and legislators reacted angrily Saturday to President Donald Trump's pro-gun comments at an NRA convention comparing a London hospital to a war zone because of knife crime.

Trump's provocative comments are expected to increase concerns about his planned first presidential visit to Britain on July 13.

Dr. Martin Griffiths, a surgeon at the Royal London Hospital, tweeted that he would be "happy to invite Mr. Trump" to visit his hospital and meet with London's mayor and police chief to learn how the city has reduced violent crime.

Dr. Karim Brohi, another Royal...