The United Thai Nation (UTN) Party could join the coalition alliance if Prime Minister Prayut Chan-o-cha remains in the group, said UTN secretary-general Akanat Promphan on Saturday.
About 50 million Thais have the right to cast their vote on Sunday in an election to decide the future of the country, and whether it will undergo radical change or maintain the status quo. Another two million voters took part in advance voting previously.