In Pictures: US President Barack Obama in London

The presidential couple were welcomed by the Queen in Buckingham Palace for two days of political talks but there was some fun to be had also.

Business and Leadership has a round-up of the images from the past two days:

US President Barack Obama and First Lady Michelle Obama arrive at Stansted Airport on Monday evening. They arrived earlier than expected due to concerns over the Icelandic ash cloud.

The Obamas talk with the Duke and Duchess of Cambridge in the 1844 Room at Buckingham Palace in London (Official White House Photo by Pete Souza)

Prime Minister David Cameron and his wife, Samantha Cameron, welcome the couple to Number 10, Downing Street ahead of the leaders' meeting.

Cameron and Obama visited the Globe Academy in London during the visit, where they participated in games of table-tennis. According to reports, the students won!

Queen Elizabeth II and the Duke of Edinburgh pose with President Barack Obama and First Lady Michelle Obama in Buckingham Palace ahead of a white-tie State Banquet on Tuesday night

The President said he was in Britain to reaffirm ties between the UK and US. The leaders discussed the global economy, as well as military activities in Afghanistan and Libya.

Several bilateral meetings were held over the two day visit.

Samantha Cameron and Michelle Obama hosted a BBQ in the gardens of Number 10 for US and UK military yesterday

The PM and President Obama held a joint press conference at Lancaster in London.

A joint National Security Council in London yesterday.

Obama is led through a hall outside of the House of Commons by the Rt Hon John Bercow, Speaker of the House of Commons, during a tour of Parliament before he addressed the Houses of Parliament (Official White House photo by Pete Souza)