Parents of children at three primary schools in Herefordshire have been told pupils ‘will not be allowed outside to play’ and there will be no PE lessons. A letter to parents at Marlbrook, Little Dewchurch and St Martin’s Primary School said: “We are also giving parents the option to keep children at home on Monday.” Meanwhile, Hereford Academy is changing its timetable, starting the day at 8.30am. and sending students home at 2 p.m. Clapton Girls’ Academy, in east London, will send children home at 12.30pm. on Monday and Tuesday. In a letter to parents, Anna Feltham, the headteacher, wrote: “Already, many classrooms are too hot, even with fans, and students are struggling to keep cool, drink enough water and stay focused in lessons.” . The rooms would be “unbearably hot” by the end of the day next week and there were not enough “cool” rooms to move classes, he said. The Met Office has issued an orange warning which could be ‘danger to life’ is in place for Sunday, Monday and Tuesday. Temperatures could break the current national record of 38.7C, which was set in 2019. READ MORE: Meghan ‘on path to peerless stardom’ and ‘new form of celebrity’ Temperatures are also expected to remain high overnight, particularly in urban areas, with a high chance of tropical nights – when minimum temperatures do not drop below 20C – for some early next week. A Level 3 UK Health Safety Executive Heat Health Warning has also been issued from Saturday to Tuesday, aimed at people specifically in health and social care, advising people to take care of vulnerable people and people with underlying diseases. Heatwave criteria, when specific temperature thresholds must be exceeded for three consecutive days, were already met in some locations earlier this week and are expected to be met again early next week. This is likely across England and Wales, but also quite likely for eastern Scotland. DON’T MISS: Putin humiliated as Biden’s missiles help Ukraine BBC threatened as nearly two million viewers call for license repealBrexit LIVE: ‘Thank God we’re out’ Brexiteer savagely mocks Remainers Met Office Deputy Chief Meteorologist Tony Wardle said: “Maximum temperatures have been well above average almost everywhere in the UK this week, with the possible exception of the Western and Northern Isles of Scotland. “After returning to near average, locally rather cool temperatures over the next few days, the warm weather looks likely to increase steadily again this weekend, peaking early next week. “From Sunday, but more likely on Monday and Tuesday, maximum maximum temperatures are likely to exceed 35C, especially across central, southern and eastern England, with some locations likely to be even warmer. “Elsewhere, highs will generally range from high 20s to low 30s. “This, combined with overnight lows not falling below 20C in many locations, has significant potential to cause far-reaching societal impacts, which is behind the extreme heat warning issue.” Maria Caulfield, the health secretary, told the House of Commons on Wednesday that the government had arranged for extra ambulance capacity to help emergency services deal with higher demand. He said the £30m contract would “support the ambulance response at times of increased pressure”.