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.
Ilminster
Ilminster is a town and also civil parish in the countryside of south west Somerset, England, with a population of 5,808. Bypassed in 1988, the town currently lies just eastern of the joint of the A303 (London to Exeter) as well as the A358 (Taunton to Chard and also Axminster). The church includes the district of Sea. Ilminster is stated in papers dating from 725 as well as in a Charter granted to the Abbey of Muchelney (10 miles (16 kilometres) to the north) by King Ethelred in 995. Ilminster is also stated in the Domesday Book (1086) as Ileminstre implying 'The church on the River Isle' from the Old English ysle as well as mynster. By this duration Ilminster was a prospering community and was granted the right to hold an once a week market, which it still does. Ilminster belonged to the hundred of Abdick and also Bulstone. In 1645 throughout the English Civil War Ilminster was the scene of an altercation in between parliamentary troops under Edward Massie and Royalist forces under Lord Goring who defended control of the bridges before the Battle of Langport. The town includes the structures of a sixteenth-century grade school, the Ilminster Meeting House, which acts as the community's art gallery as well as concert hall. There is additionally a Gospel Hall.