Lightning has struck and injured a father and his two children in Northern Ireland, UTV understands.
The man and a five-year-old boy are fighting for their lives, while a seven-year-old girl was seriously injured during the incident at Lisburn in Co Antrim.
It comes as thunderstorms and heavy downpours fell across the UK this afternoon, causing flash flooding.
This is the aftermath of a flash flood Surrey following torrential rain.
Three cars were abandoned and their drivers rescued after their vehicles became submerged in Manor Road in Wallington.
London Fire Brigade pumped away the water, which had reached levels of two metres.
Thousands of passengers have been delayed after flash flooding caused a power outage at Luton Airport.
Flash floods have left cars submerged and turned roads into rivers, with close to a month's worth of rain falling in one hour.