There are now four UK school parties involved as well as one from the US. The first was Central Foundation Boys School and another is from London's Parliament Hill girls' school. A total of four children have been hospitalised.
This story, which first appeared in the Willesden Herald two days ago, has now been picked up by the nationals and is about to be covered by television news channels as as well.
Update 8:40 pm: From a teacher with one of the quarantined school groups: "Another day relaxing. Other groups from USA and UK arriving in hotel. Government has taken control of school campus*."
* This is where they were supposed to be staying. Ed
WH original report: Swine flu: UK school trip quarantined in China