You should pull up and remove weeds by hand as and when they appear. If it is a regular problem, you might need to reseal the paving. In extreme cases, the sub layer itself may need to be re-laid. You can use weed killer, however some paving can be discoloured by stronger weed killers.
Axminster
Axminster is a market community and also civil parish on the eastern boundary of the county of Devon in England, some 28 miles (45 kilometres) from the county town of Exeter. The community is built on a hillside forgeting the River Axe which heads in the direction of the English Channel at Axmouth, as well as remains in the East Devon city government area. At the 2001 census, it had a population of 5,626, raising to 5,761 at the 2011 census. The town has two selecting wards (town and also country) the total sum of both wards being a population of 7,110. The marketplace is still held every Thursday. Axminster gave its name to a sort of carpeting. An Axminster-type power loom is capable of weaving excellent quality carpets with lots of differing colours as well as patterns. While Axminster rugs are made in the town by Axminster Carpets Ltd, this kind of carpet is now manufactured all over the globe.