A train carrying around 1800 migrants leaves Croatia to travel to Slovenia after Hungary closed its borders overnight. Report by Cara Legg.\r<br>\r<br>A final group of migrants makes it into Hungary as soldiers close its southern border with Croatia to stop the inward flow. Paul Chapman reports. Subscribe: .\r<br>\r<br>The UN refugee agency urges Croatia to keep its borders open to migrants, as Slovenia orders army to help maintain order, after Hungary seals its borders.\r<br>\r<br>Police said the first bus full of migrants arrived at a Slovenian border crossing with Croatia on Saturday, after Hungary shut its border with Croatia late on Friday, .
