David Cameron has visited camps in Lebanon and Jordan to meet Syrian refugees who have fled their country's civil war.
The Prime Minister has called on other EU countries to "step up to the plate" and follow Britain's lead by funding refugee camps around Syria.
Mr Cameron said there was a "direct connection" between shortfalls in aid for camps in Lebanon, Jordan and Turkey and the influx of migrants into Europe.
Hungarian Police have blocked the entrance to Budapest train station for a second day as part of efforts to stop thousands of refugees and economic migrants from boarding trains to Germany.
This morning, migrants chanting "Germany, Germany" began to gather outside the station buildings, joining hundreds more in what is becoming a transit zone for those fleeing conflict in the middle east and Africa.
Around 3,000 migrants are at Keleti station in the Hungarian capital. Police say that "citizen patrols" are helping them keep order in the area.
Thousands of migrant slept outside the station last night, after failing to board trains to Austria and Germany yesterday.
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.