Three anti-fracking activists have been greeted by supporters as they left prison after six weeks.
Simon Blevins, Richard Roberts and Rich Loizou were jailed at Preston Crown Court in September after being found guilty of public nuisance over a protest last July at Cuadrilla's fracking site in Lancashire.
But they were freed on Wednesday by Court of Appeal judges, who said their original sentences were "manifestly excessive".
They were greeted by more than 30 supporters, as well as a number of camera crews and journalists, as they left HMP Preston shortly after 4pm.
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.