The worst flooding since records began has killed at least 20 people dead in Serbia and Bosnia and has forced tens of thousands to flee their homes.
The flooding is the worst since records began 120 years ago, according to meteorologists, who said it is due to the region getting three months of rain in just three days.
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Theresa May will attend a key EU summit on Thursday, just hours after her authority was diminished by a humiliating House of Commons defeat.
The best of the sunshine will be in the east.
The British territory will allow only domestic partnerships after senators approved the Domestic Partnership Act by an 8-3 vote.