Today, the number of people in hospital with the flu has risen by more than half this week. Doctors say an earlier start to the flu season plus an unexpected mutation in this years primary strain has led to a lower rate of immunity amongst the general public for this time of year. BBC health editor Hugh Pym and Dr Jamie Lopez Bernal, consultant epidemiologist from the UK Health Security Agency breakdown the data. Plus, US forces have seized an oil tanker off the coast of Venezuela in an