Attacks on guide dogs - by other dogs - are at an all-time high in this region.
In the last 11 months alone, there have been 148 incidents across the country - including six in the East.
It has prompted a plea from guide dog owners for others to keep proper control over the pets.
Yad Necel and Dennis, from Cambridgeshire, are inseparable. Having a guide dog means she can get out of the house without relying on other people.
Dennis helps Yad get to work. But when her last dog was attacked by three other dogs who escaped from a work van in Cambridge, Yad was left on her own for a couple of months.
Paul Johnson has only recently decided to get another guide dog.
His last one was attacked five times by street dogs who were not kept under control by their owners.
The animal was so badly affected, he had to be retired.
Watch Helen Keenan's report.