The RNLI are happy for dog owners to know that they will rescue animals in these situations. The worst situation is when the owners try to rescue the pet and come to grief themselves.
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Alex Sims, 10, has a rare auto immune disease and without a transplant he will die.
Dante Bowlin was last seen in the Matson area of Gloucester two days ago.
Residents living within 100m of Reeco Fernandez's property were advised to leave their homes and had to stay away for five days.