More than a thousand people have taken part in a protest march against fracking in Lancashire.
It comes after minor earthquakes were reported near the site at Preston New Road on Friday.
Cuadrilla say they were not fracking at the time the tremors were felt.
Adam McClean reports.
MPs have called a debate in Westminster over concerns to fast track more fracking site and bypassing local democracy.
Fracking in Lancashire has been brought to a halt again after another earth tremor - the second measuring 0.8 in two days
Three anti-fracking activists freed from prison have vowed to continue their protests.