The majority of refugees and economic migrants stranded outside Hungary's main international train station in Budapest have formed an "underground city" to shelter from the heat as European leaders decide what is to be done.
ITV News Europe Editor James Mates reports:
On a visit to Jordan, David Cameron says that the EU must "follow Britain's lead" and fund more refugee camps around Syria.
The prime minister has insisted the UK will not participate in plans to redistribute 160,000 refugees who have arrived in Europe.
Train traffic with Austria suspended as German authorities seek to reduce the number of asylum seekers arriving in the country.