Signing of Comprehensive Strategic Partnership (CSP) cements the "partnership for many years to come," says Lee.
Space-starved Singapore will seal a 25-year access for up to 14,000 soldiers to train for 18 weeks in Australia.
Analysts predict highly destabilising consequences if heir apparent Vajiralongkorn were to assume throne.
China had cut off official communications with the self-ruled island after Tsai took power.
Bhumibol Adulyadej has not made any public appearance for nearly a year after he was hospitalised in Bangkok
Trump says he would appoint a special prosecutor to look into his Democratic rival's email use.
The Republican presidential candidate faced severe criticism from his own party after the recording was revealed.
Russia swats down the American allegations as "nonsense," according to the Interfax news agency.
Indonesian President Joko Widodo watched the drills from Ranai, the capital of the Natuna Islands archipelago.
About 76 percent of voting-age Philippines citizens say they are satisfied with President's first three months in office
Media reports say Joshua Wong was detained at Bangkok's Suvarnabhumi Airport on Tuesday night.
CNN/ORC snap poll declares Pence the winner with 48 percent support, compared with Kaine's 42 percent.
Duterte says he did not intend to derogate the memory of slain Jews.
The Prime Minister's Office says both the Prime Ministers will witness the exchange of three MOUs marking the cooperation in the fields of industrial property and skills development.
The Singapore leader is likely to be accompanied by his wife Ho Ching and a number of delegates