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.
Yeovil
The South Somerset town of Yeovil possesses a population of 40,000 and is based in the South West of England. The town was targeted in World War Two because of its links to the aircraft and defence industrial sectors and due to this there's a variety of housing, from traditional to modern. Yeovil accounts for more than a quarter of South Somerset's complete populace, which is just over 150,000. For the property enhancements you most likely are thinking of in the near future, be sure to make use of vetted businesses in Yeovil to get the best price and also a good quality finish.