A 59-year-old woman had to be taken to hospital after being attacked by a dog - thought to be a pit bull - as she walked in a park.The incident happened between 10am and 10.30am on Tuesday when the Pembroke woman was walking in Admiralty House Park, near the beach.A Police spokesman said: "She noticed a man and a dog in the area. As she walked by the dog, which apparently at that time was not on a leash, it attacked her."The man eventually pulled the dog off the victim and left the scene. The Pembroke woman sustained injuries to her arm and was subsequently taken to King Edward VII Memorial Hospital for treatment by a member of the public who was driving along Spanish Point Road."Police said the suspect was described as a tall black man believed to be in his 30s with a big black dog which may have been a pit-bull.Inquiries into this incident are ongoing and the Government Dog Wardens are also aware.Police are appealing for any witnesses or anyone with any information to contact the Hamilton Criminal Investigation Unit on 295-0011.