Ride-hailing giant Uber lost more than 1.1 billion euros in the first half of this year, according to reports. <br /><br /> It is being put down to subsidies given to drivers, sources suggest. <br /><br /> Uber, now valued at roughly 61 billion euros, lost almost 1.8 billion in the whole of 2015.<br /><br /> Rapidly expanding tech start-ups such as Uber have faced opposition from some unions and longer-established competitors around the world. <br /><br /> In London, drivers of traditional black cabs have held a series of protests in the capital.<br />
