People on such contracts get worse working hours and are paid less than other workers, the TUC says.Read more
The Archbishop of Canterbury, Justin Welby, is facing accusations of hypocrisy.
Earlier this week he criticised Amazon for "paying almost nothing in tax" and said that zero-hours contracts were " the reincarnation of an ancient evil".
The Times reports on its front page that the Church of England uses zero-hours contracts and has invested in Amazon.
It quotes Conservative MP Ben Bradley who says it's "hypocritical" of the archbishop to criticise zero-hours contracts whilst the church advertises zero-hours jobs.
Theresa May asks Jeremy Corbyn why Labour did nothing about zero hours contracts when it was in power for 13 years.