BANGKOK (Reuters) - Thai Prime Minister Paetongtarn Shinawatra has been admitted to hospital with a high fever after returning from a two-day visit to Cambodia, a government official said on Friday.

Shortly after returning from Cambodia, she began experiencing symptoms and went to see a doctor on Thursday evening when her fever worsened, government spokesperson Jirayu Houngsub said.

She was admitted to hospital for observation and would undergo additional testing, he said, adding her meetings for Friday had been postponed.

She had been due to meet Singaporean e-commerce firm Sea Limited, former British Prime Minister Tony Blair and the police policy committee, the government said.

(Reporting by Chayut Setboonsarng and Panarat Thepgumpanat Editing by Martin Petty)