麻豆约拍

The third strike by junior doctors in England in their contract row with the government is under way.

The walkout, which comes after ministers announced last month they would impose a new contract, started at 08:00 GMT and will last 48 hours, though medics will provide emergency cover in hospitals.

But how effective are strikes? Victoria spoke to a junior doctor, a member of the Rail, Maritime and Transport workers union and a midwife who went on strike in 2014.