John Negroponte
Nuclear diplomacy
US Deputy Secretary of State John Negroponte visits South Korea, Japan and China for meetings that will touch on the six-party talks on North Korea's nuclear programme. (South Korean news agency Yonhap).
Manmohan Singh
Bhutan trip
Indian Prime Minister Manmohan Singh visits Bhutan. (Indian newspaper The India Express)
Viktor Yushchenko
UK tour
Ukrainian President Viktor Yushchenko visits the UK. He holds a joint news conference with Prime Minister Gordon Brown. He also meets Conservative leader David Cameron and addresses the Royal Institute of International Affairs on 'Ukraine's progress after the Orange Revolution'. (Interfax-Ukraine news agency)
Duma members
Counter-terrorism conference
International Parliamentary Conference on Legislation to Combat Terrorism, in St Petersburg. (Russian news agency Interfax)
Boris Gryzlov
Russia-Azerbaijan relations
Russian State Duma Chairman Boris Gryzlov visits Azerbaijan. (Azerbaijani website Day.az)
Han Seung-soo
Kazakhstan visit
South Korean Prime Minister Han Seung-soo visits Kazakhstan for talks and signing of agreements on cooperation in energy and construction industries. (Interfax-Kazakhstan news agency)
Rafael Correa
Correa diplomatic tour
Prime Minister Jose Luis Rodriguez Zapatero meets Ecuadorian President Rafael Correa in Madrid; Correa touring Europe to explain Ecuador's position in diplomatic crisis with Colombia (Spanish newspaper ABC).
George Bush
Bush foreign policy
US President George Bush visits Israel, Saudi Arabia and Egypt. In Israel he addresses Israel's Knesset and attends the "Facing Tomorrow" conference hosted by Israeli President Shimon Peres. He is also expected to meet Palestinian President Mahmud Abbas in Sharm al-Shaykh (regional sources).
Lech Kaczynski
Israel anniversary
Polish President Lech Kaczynski visits Israel to take part in the festivities marking 60th anniversary of State of Israel (Polish news agency PAP).
Palestinian flag
'Catastrophe Day'
Palestinians mark Al-Nakbah ('Catastrophe') Day, which also marks the 60th anniversary of establishment of Israeli state (BBC Monitoring).
Somali flag
Somalia talks
Representatives of Somali government and opposition groups meet in Djibouti. (French news agency AFP)
Jose Luis Rodriguez Zapatero
EU-Latin America and the Caribbean Summit
Spanish Prime Minister Jose Luis Rodriguez Zapatero visits Brazil for a meeting with his Brazilian counterpart President Luiz Inacio Lula da Silva. Zapatero then attends the EU-Latin America and the Caribbean summit in Lima (Spanish news agency Efe)