The tourists lodged a police report and submitted transaction records as evidence of what they described as a forced-shopping scam.
The misconduct came to light in July 2023 when NUH received an anonymous tip-off.
PUB said that the two stretches should be avoided for at least an hour, as heavy rain in the area could cause sudden flooding.
The offence carries a penalty of up to three years' jail, a fine, caning, or a combination of these punishments.
MSS said that moderate to heavy rain is likely on several afternoons, with some showers continuing into the evenings.
In Singapore, the offence of cheating carries an imprisonment term of up to 10 years and a fine.
The initiative applies to locally registered vehicles involved in traffic offences that carry composition fines of S$50 or more.
Since July 2024, Singapore has used the "gov.sg" sender ID to help the public distinguish official messages from scams.
The trip marks his first official visit to Latin America and coincides with the 50th anniversary of diplomatic relations between the two countries.
The police said that based on preliminary findings, no foul play is suspected.
On November 18, NEA was fined S$230,000 after pleading guilty to failing to take necessary measures to ensure the safety and health of its employees at the workplace.
In a statement issued on Sunday, November 30, the police said the woman is believed to have acted as a money mule in at least three reported cases.
Reports stated that two other people sustained minor injuries but declined to be taken to hospital.
Under the new no-boarding directive (NBD), airlines operating at Changi and Seletar airports will receive notices listing travellers who are prohibited from entering Singapore.
The Ministry of Finance (MOF) and the Inland Revenue Authority of Singapore (IRAS) announced the measures in a joint statement.