What's gone wrong with Thames Water?

Available for over a year

Water leaks, hosepipe bans, sewage discharged into our seas and rivers - the water industry has problems. And now a question hangs over the survival of the UK's biggest water company, Thames Water. Could the firm be nationalised? What might that mean for supplies and bills? And why does it seem that we are all going to have to pay more for our water, whatever happens? Our business reporter Ben King answer 5 Questions On - What's Gone Wrong With Thames Water?