Temperatures are set to soar to more than 30C (86F) this week as an area of high pressure builds across the UK. It will become increasingly hot later this week and by the weekend some places could easily beat the highest temperature recorded so far this year - 29.4C (85F) in Suffolk on 13 June.

Health officials have issued the first heat health warning of the year. The Met Office has forecast a high of 30C on Friday, with a yellow alert spanning from 9pm on June 12 until 8am on June 15, covering the east of England, the East Midlands, London and the South East.

A 'heat-health alert' has been issued with sweltering temperatures forecast in northern Lincolnshire later this week. The mercury could top 30C on Saturday in the hottest spell of the year so far. The yellow-level alert,