straight to your inboxWork has officially begun on the new arena in east Manchester.Plans for indoor music and sports arena Co-Op Live, which will have a capacity of 23,500 making it the biggest in Britain, were granted planning permission in September.And diggers and building machinery have now moved onto the site, which borders the Ashton Canal and Alan Turing Way on the north side of the Etihad Campus, as work on the £350 million project begins.Bosses at the firm behind it, the Oak View Group