Expressing sadness and shock over Jackson's death, Ng recalled being inspired by an interview he once gave to Oprah Winfrey.

CNN: Michael Jackson: The world pays tribute to King of Pop

President Carter wrote to then prime minister Margaret Thatcher expressing his "profound sadness" at the "tragic death" of the 79-year-old earl.

BBC: Files show US-UK tensions over Northern Ireland in 1979

The attacks sparked strong international condemnation, with US President Barack Obama expressing his condolences and offering support, while Britain's Queen Elizabeth also spoke of her shock and sadness in a letter to King Harald.

BBC: Norway suspect Anders Behring Breivik 'admits attacks'