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People have been warned to beware of dangerous giant hogweed as the invasive plant is flourishing in parts of Lancashire.

Conservationist Alan Wright, of Lancashire Wildlife Trust, said people should be careful when coming close to the weed - which can leave blistering and scarring if it comes into contact with the skin.

Mr Wright said: "The main danger is from the sap if you break it and get it on your skin it can really really burn.

"You can get a nasty scar which lasts for a long time."

The plant, which can look similar to other kinds, can grow up to 14-15ft (4.5m) tall.

Residents have been spotting the weed in their communities.

Robert Barrett said: "Whilst travelling along the A674 from Preston to Blackburn I noticed a hogweed plant 20 yards from the Boars Head car park at Hoghton, the other side of the hedge from the main footpath.

"Having had dealings with this plant in the past and with school holidays approaching I feel that people should be aware of the dangers of this plant and warn their children.

"Where there is one hogweed plant there will be more."

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