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Migrants break Croatia police lines Migrants break through Croatian police lines at Tovarnik
(35 minutes later)
Migrants break through police lines on Croatia-Serbia border, as Croatia struggles to deal with arrivals Crowds of migrants crossing from Serbia have broken through riot police lines on the Croatian border at Tovarnik.
This breaking news story is being updated and more details will be published shortly. Please refresh the page for the fullest version. Croatia is struggling to deal with at least 6,000 arrivals since Wednesday morning after Hungary closed its border with Serbia, blocking the previous route into the European Union.
If you want to receive Breaking News alerts via email, or on a smartphone or tablet via the BBC News App then details on how to do so are available on this help page. You can also follow @BBCBreaking on Twitter to get the latest alerts. Croatian officials say migrants must apply for asylum there or be treated as illegal immigrants.
EU leaders will hold an emergency summit next week to discuss the crisis.
There were chaotic scenes at Tovarnik as riot police tried to hold back hundreds of migrants, angry at waiting for hours in intense heat for transport on from the border.
Groups of people broke through police lines, with women and children knocked over in the melee.
In the baking heat, crowds of migrants chanted "we want to go".
Correspondents say police are helping children and other vulnerable people to get through.
Many of the people are exhausted with supplies of food and water running low.
The BBC's Lyse Doucet, at Tovarnik station, says the crowds there - many of them Iranian, Iraqi or Syrian - are angry and frustrated, demanding to know when transport will arrive.
On Wednesday, hundreds were involved in clashes at the Hungary-Serbia border.