The Met Office has issued an amber thunderstorm warning as parts of the UK are set to be battered by heavy rain, lightning, hail and strong winds.The warning came into force on Monday as the forecaster said power cuts and flooding of homes, businesses and roads, as well as delays and cancellations to train and bus services, are "likely".

The Met Office has issued an amber thunderstorm warning as parts of the UK are set to be battered by heavy rain, lightning, hail and strong winds.The warning came into force on Monday as the forecaster said power cuts and flooding of homes, businesses and roads, as well as delays and cancellations to train and bus services, are "likely".