By Henry Saker-Clark, PA Deputy Business Editor & Lawrence Matheson Imbiba, a leisure and hospitality investor, has injected funds into the boutique gym chain 1Rebel to fuel its expansion, following the closure of a new £90million fund. This investment will drive the establishment of additional gym locations for the brand which currently operates 13 venues. Darrel Connell, managing partner at Imbiba, said 1Rebel, is the “best in class” in the UK and recognising its potential for further growth. The announcement comes as Imbiba, known for supporting brands like Pizza Pilgrims, Farmer J, and F1 …