UK Stocks-Factors to watch on June 19

Britain's FTSE 100 index is seen opening 10 points higher at 7,453 on Wednesday, according to financial bookmakers. * ROLLS ROYCE: Rolls-Royce chief executive Warren East said on Tuesday that uncertainties over Brexit remain an unwelcome distraction for the aerospace industry three years after Britain voted to leave the European Union. * ACACIA MINING: Barrick Gold Corp, the world's No. 2 gold miner, believes its proposed offer to take full control of its A