The two sides are expected to discuss cooperation in the Indo-Pacific region and other issues as the G7 seeks to strengthen its ties with the 10-member Southeast Asian grouping to counter China’s rise, the sources said.

Britain holds the rotating presidency this year of the group of leading democracies comprising Canada, France, Germany, Italy, Japan and the United States, plus the European Union.

If Japan sends Foreign Minister Yoshimasa Hayashi to the meeting, it will mark his first official visit to a foreign country since taking office last Wednesday. A final decision will be made in consideration of an extraordinary Diet session scheduled to convene on Dec. 6.

The 10 members of Asean are Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, the Philippines, Singapore, Thailand and Vietnam.

At their meeting in London in May, G7 foreign ministers stressed the importance of peace and stability across the Taiwan Straits, in an apparent reference to China’s spat with the island that Beijing regards as a renegade province to be reunited with the mainland by force if necessary.

In the South China Sea, China has conflicting territorial claims with some Asean members.