Prime minister of the UK, Gordon Brown, has arrived in Warsaw for meetings with President Kaczynski and Prime Minister Tusk.
The meeting, at Belweder Palace, will be followed by a press conference at 09.40 CET.
Prime Minister Brown will have talks on Nato, the EU and the large Polish ex-pat community in the United Kingdom.
The prime minister of Great Britain, who is returning from a trip to South East Asia, is also scheduled to visit the Auschwitz Nazi death camp in the southern Poland. (pg)