Train operators are warning passengers in Sussex not to travel unless essential as a rare red extreme heat warning brings temperatures close to 40°C across the South East.

🐶☀️ Dogs Trust Shoreham is urging Sussex pet owners to rethink walks during the hot weather, warning that scorching pavements and high temperatures could put dogs at risk of serious illness. #Sussex #DogSafety #Heatwave

Parts of Sussex could see temperatures soar to around 26°C on Wednesday as a brief spell of very warm weather peaks across the South East.