Prime Minister Shaukat Aziz will leave on March 5 for the United Kingdom for a four-day official visit, officials said. Aziz will discuss the issue of caricatures of the Prophet Mohammed (peace be upon him) and other issues with British Prime Minister Tony Blair. The prime minister will also address a conference "Asia 2015, Promoting Growth, Ending Poverty" to be held under the aegis of the World Bank and the DFID, a British institute for foreign aid. The prime minister will deliver a lecture at the London School of Economics and address various British think tanks.