He was invited to participate in a ceremony in Lodz to commemorate 60 years since the ghetto's liquidation, but turned it down.

BBC: NEWS | Europe | Survivors recall Lodz ghetto horror

On Sunday, parents, siblings, friends and loved ones gathered before monks in a courtyard of the prison site -- now a museum -- to participate in a ceremony to honor the dead.

CNN: Cambodia's Duch sentenced to 35 years

In the Commons, Defence Secretary Geoff Hoon dismissed speculation that British troops might participate in a ceremony involving the token destruction of arms by all sides of the Northern Ireland peace process.

BBC: News Online

Wasim Akram's Pakistan team twice visited India during the World Cup, first to participate in the opening ceremony and then for a thrilling quarter-final match against India.

BBC: Cricket's on-off rivalry

They will participate in an arrival ceremony.

WHITEHOUSE: Press Briefing

Roberta Alma Anastase, Speaker of the Chamber of Deputies of Romania, Justin Koumba, Speaker of the National Assembly of the Republic of Congo, and Rajkeswur Purryag, Speaker of the National Assembly of the Republic of Mauritius, will participate in the opening ceremony.

UNESCO: MEDIA SERVICES

Following the ceremony, Coach Gene Chizik and the Tigers will participate in a "Let's Move" South Lawn Series youth football clinic on the South Lawn.

WHITEHOUSE: Aboard Air Force One En Route Washington, D.C.