Most deaths are believed to be occurring among refugees still waiting to enter Iran, officials said.

Citizens of most countries require a visa to legally enter Iran.

Other Kurdish refugees continued to enter Iran, which called again today for increased international aid.

You must hold a valid passport to enter Iran.

They will be required to enter and depart Iran on Iranian passports.

Most of the refugees who have entered Iran so far crossed through more northerly areas.

Around three-quarters of those entering Iran in 1999 came from Europe.

In the meantime, over a million Afghan refugees were allowed to enter Iran.

Britain is not going to enter Iran just like that now.

European oil field technicians, journalists and curiosity seekers could legally enter Iran, but those roles didn't seem a good fit.