Obama, Cameron to discuss pressing security issues

LONDON (AP) — President Barack Obama will discuss a range of pressing security and political issues with Prime Minister David Cameron when they meet at 10 Downing St. in London.

Obama is spending his first full day in the United Kingdom on Friday after arriving Thursday evening. He started by having lunch with at Windsor Castle with Queen Elizabeth II, who celebrates her 90th birthday this week.

On the agenda for Obama's meeting with Cameron are counterterrorism and the campaign against the Islamic State group. Their meeting comes ahead of a June referendum about whether the U.K. should stay in European Union.

The two leaders plan to hold a news conference after their meeting.

The president will also have dinner on Friday evening with Prince William, his wife Kate and brother Prince Harry.