An amber warning for extreme heat has been issued by the Met Office until later this week as temperatures continue to stay high in the day and at night.

The amber warning has been issued for Oxford and parts of Oxfordshire including Abingdon, Chipping Norton and Witney and it also covers most of South Wales and the South West of England.

After a hot weekend in Oxford sweltering temperatures are set to continue with highs of 30 degrees expected to last until Friday when temperatures could drop to 24 degrees before weekend thunderstorms.

The Met Office has warned that adverse health effects are likely to be experienced by those vulnerable to extreme heat and many others could get sunburn or heat exhaustion including dehydration, nausea and fatigue.

There is also a warning of an increase in water safety incidences as more people visit lakes, rivers and beaches and there could be some delays to road, rail and air travel, with potential for welfare issues for those who experience prolonged delays.

The warning also extends to electrical equipment as there could be an increased chance that some heat-sensitive systems and equipment may fail, leading to power cuts and the loss of other services to some homes and businesses.

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