Thailand's Constitutional Court on Tuesday found key figures of the opposition Future Forward Party not guilty of opposing the country's monarchy, an allegation that could have seen the high-profile party banned.

Thailand's King Maha Vajiralongkorn greeted thousands of his subjects from a balcony of his Grand Palace on Monday, the third and final day of coronation ceremonies.

Thailand's King Maha Vajiralongkorn on Saturday completed intricate Buddhist and Brahmin rituals to symbolically transform him into a living god as the Southeast Asian nation officially crowned its first monarch in nearly seven decades.

Thailand's election commission said on Wednesday it is seeking the disqualification of a party that nominated a princess for prime minister, in what would be a set-back for the opposition loyal to ousted former prime minister Thaksin Shinawatra.

The Thai political party that nominated a princess as its candidate for prime minister could be banned from a general election in March after an activist said on Sunday he would file a petition seeking its dissolution.

The Thai princess whose stunning announcement she was running for prime minister was quickly opposed by her brother, the king, thanked her supporters on Saturday, saying she wants Thailand to be "moving forward", but she did not comment on her candidacy.

Thailand's powerful King Maha Vajiralongkorn late Friday described an unprecedented move to make his older sister Princess Ubolratana prime minister as "highly inappropriate" and against "royal traditions".

Thailand began circulating bank notes and coins featuring the image of new King Maha Vajiralongkorn on Friday, officials said.

Portugal superstar Cristiano Ronaldo will rarely get a better chance than at Euro 2016 to land the only major honour lacking in his glittering career by leading his country to victory in a major finals.