BEIJING -- President Hu Jintao will attend the Nuclear Security Summit in Seoul from March 26 to 27, Foreign Ministry spokesman Hong Lei announced Monday.

Hu will also attend the fourth BRICS Summit in New Delhi from March 28 to 29 and pay a state visit to Cambodia from March 30 to April 2, Hong said.

Hu's trips are being made at the invitation of President of the Republic of Korea (ROK) Lee Myung-bak, Indian Prime Minister Manmohan Singh and King of Cambodia Norodom Sihamoni, Hong said.

Hong said the Nuclear Security Summit in Seoul will emphasize the promotion of international cooperation on nuclear security.

While attending the summit, Hu will elaborate on the efforts being made by China in the field of nuclear security, Hong added.

According to the spokesman, Hu will use his time at the BRICS Summit to exchange views with the leaders of BRICS nations on issues regarding economics, finance and development, as well as significant international issues of mutual concern.

The BRICS is an organization of emerging economies, grouping Brazil, Russia, India, China and South Africa.

Hong said Hu will use his visit to Cambodia to talk to Cambodian leaders about deepening relations between the two countries and promoting cooperation between China and the Association of Southeast Asian Nations (ASEAN).