Waitrose enlists Deliveroo to help take on M&S and Ocado

Tuesday marks new front in fight for online groceries market as Ocado and Waitrose part waysWaitrose is to test fast-track grocery deliveries with the takeaway courier firm Deliveroo as it prepares to do battle with its rival Marks & Spencer, which will finally begin selling groceries online next week.After almost two decades together, the online grocery specialist Ocado has ditched Waitrose and will switch to selling M&S food from Tuesday, kicking off a fight between the two grocers for