By Ian Baker & Felix Keith West Brom and West Midlands Police have launched investigations after Birmingham midfielder Juninho Bacuna was the victim of more alleged racist abuse. Just a week after serious crowd trouble marred Albion’s FA Cup exit to Wolves, Bacuna reported comments to the referee in injury time of his side’s 1-0 victory over Birmingham on Saturday. It is the second time the midfielder has been on the receiving end of vile remarks – after similar comments from one of his own fans against Huddersfield in October. Former West Brom manager Tony Mowbray, now in charge of Birmingham…