Sharon Hodgson, Labour's shadow children's minister, said David Cameron had created a "childcare crisis".
She said: "On his watch, we've seen costs spiral, support for families cut back and over 400 children's centres close."
More top news
A teenager who was mistakenly released from prison after he was arrested on suspicion of attempted murder has been detained by police.
Is your street among London's trendiest hotspots?
Some of the best stories from the past week on itv.com/london. Got a story? Email us at firstname.lastname@example.org