Brothers Daniel and Stanley suffered stings from giant hogsweed, a plant considered Britain's most dangerous, after retrieving a football during a trip to a park in London
A search and rescue operation is underway to try and locate a submersible which was on an expedition to the wreck of the Titanic when communications were lost.
Martyn Ferguson has been treating giant hogweed for the last six years, but he succumbed to the plant he has been battling over the course of the last 12 months