A flood warning has been issued for parts of the UK as Brits are urged to steer clear of rivers.
The Environment Agency in Yorkshire & the North East put out the severe 'act now' alert with the risk immediate.
It comes as thunderstorms and heavy rain continues to batter parts of the UK this weekend.
Most of the country has today faced weather warnings today with more in place for tomorrow.
In Yorkshire, locals have been told to plan properly and avoided flooded areas.
A warning of flooding for Bagley Dike at Grimesthorpe, near Sheffield, has tonight been issued and remains in place indefinitely.
"River levels have risen rapidly as a result of localised thunderstorms. Consequently, flooding could occur imminently on Sunday 18th June," the Environment Agency said.
"Areas most at risk are around Bagley Dike. Our incident response staff are closely monitoring the situation and the forecast and are checking defences and trash screens.
"Please plan driving routes to avoid low lying roads near rivers, which may be flooded and prepare to put your flood plan into action."
- You can check out the thunderstorms in your area on Radar Live here.
Flood guidance reads: "A flood warning means you need to act: flooding is expected.
"You should do all the actions for a flood alert, but also: move vehicles to higher ground if it’s safe to do so move family and pets to safety move important items upstairs or to a safe place in your property, starting with cherished items and valuables.
"Turn off gas, electricity and water supplies if it’s safe to do so; never touch an electrical switch if you’re standing in water if you have property protection products such as flood barriers, or air brick covers, use them now."
Meanwhile there are 34 flood alerts in place, indicating that flooding is possible in the coming hours.
A warning for thunderstorms has been issued across parts of Northern Ireland from 12pm until 9pm today, with the Met Office saying that scattered downpours may cause disruption and flooding.
Another yellow warning for thunderstorms covers all of southern and central England as well as Wales - and remains in place from 12pm until midnight on Sunday.
Forecasters have also issued a yellow warning for rain across northern England and southern Scotland from 7pm until midnight on Sunday as a large area of heavy rain will move northwards.
The Met Office said: "Whilst some thunder is possible, heavy rain is likely to be the main hazard with 15-25 mm of rain likely widely in 3 hours, and with 40-60 mm possible in places.
"One or two locations could see 80 mm or more, although this is a very small likelihood in any given place. Some localised flooding and disruption is possible as a result."
A separate yellow warning for rain has been issued across northern England and Scotland from midnight until 12pm on Monday.
It reads: "Whilst isolated thunder is possible at first, heavy rain is likely to be the main hazard with 15-25 mm falling widely in 3 hours and 40-60 mm possible in a few places.
"One or two locations could see 80 mm or more but this is a very low likelihood for any given spot. Some flooding and disruption is possible as a result."
