Scientists used climate models to predict how changing conditions could affect Asian tiger mosquito distribution.
Theresearch shows that parts of the UK could become hot-spots of Asian tiger mosquito activity between 2030 and 2050.
"Mosquito climate suitability has significantly increased over the southern UK, northern France, the Benelux, parts of Germany, Italy, Sicily and the Balkan countries."
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His comments at the Defence and Security Forum on Monday came after a £20 billion black hole in the budget for the next decade emerged.
The Foreign Secretary said he thinks the health service should be "at the very top of the list" for a windfall after the UK leaves the EU.
Turning wet and breezy from the west overnight.