By Yvonne Deeney & Susie Beever Tenants at a tower block say they’re afraid to return to their homes after they were evacuated six months ago. Residents at Barton House in Bristol were told to leave in November as the council needed to implement new safety measures. Now they’ve been given the all-clear to return, but say they’re still extremely worried, citing a string of “broken promises” and lack of communication – while one claimed he remains terrified the block could collapse. Peristent concerns about the building’s safety – which were initially flagged in 2017 – remain, but authorities’ d…