More than 10,000 migrant children may have disappeared after arriving in Europe over the past two years, the EU's police intelligence unit says.

The European Union needs to accept responsibility for the lack of a common asylum policy, which has transformed this year's growing influx of refugees from a manageable problem into yet another political crisis.

Persecuted Rohingya Muslims of Myanmar and thousands of Bangladeshi nationals have undertaken perilous journeys across the Andaman Sea to reach countries in Southeast Asia.

Hundreds of migrants break out of a Hungarian border camp and others set off on foot from Budapest as authorities scrambled to contain a migrant crisis that has brought Europe's asylum system to breaking point.