Speaking to our reporter, Liz Wickham, the travellers say they're Irish and have nowhere else to go.
The six caravans are parked on football pitches, preventing some of the regular Saturday morning matches from being played.
More top news
Bees Number One is 'best in the league."
A union has said it is worried plans for Wandsworth and Richmond councils to merge may lead to job losses.
A computer disk contained a secret file on the fatal shooting of Mark Duggan by police has been lost.