A UK Cabinet minister has insisted there must be an "honest open debate" about child abuse after a Labour MP quit her frontbench role following a backlash when she claimed Britain had a problem with British Pakistani men raping white girls.

Communities Secretary Sajid Javid said racial motivation in sexual abuse cases must be addressed as he suggested Jeremy Corbyn had forced Sarah Champion to resign as Shadow Women and Equalities Secretary; a claim denied by the Labour leader.

Mr Corbyn insisted his party would not "demonise" any particular group and said the MP for Rotherham had been right to go.

Ms Champion apologised for her "extremely poor choice of words" in a newspaper article but the Equality and Human Rights Commission described it as a "real shame" that she had resigned due to "over-sensitivity about language".

The Labour MP had warned that the country had a "problem with British Pakistani men raping and exploiting white girls" in a column for The Sun.

It followed the conviction in Newcastle of 17 men and a woman, mostly British-born and from Pakistani, Bangladeshi, Turkish, Iraqi and Indian communities, for sex and drug offences. These included rape, sexual activity with a child, child trafficking and conspiracy to incite prostitution.

Mr Javid tweeted: "Corbyn wrong to sack Sarah Champion. We need an honest open debate on child sexual exploitation, including racial motivation."

But the Labour leader told LBC radio: "She was right to step down. In her words, she said, her continued presence there would be a distraction.

"We cannot demonise whole communities or whole groups of people because of the actions of some people."

His colleague, Yasmin Qureshi, the Shadow Justice minister, repeatedly refused to be drawn on whether or not it was right that Ms Champion had stepped down.

"You need to ask Sarah that question," she told BBC Radio 4's Today programme. "Of course, we should deal with abuse wherever it occurs and we should ask ourselves as to what we can do to ensure these things don't happen."

In an article for The Sun, Ms Champion wrote: "Britain has a problem with British Pakistani men raping and exploiting white girls.

"There. I said it. Does that make me a racist? Or am I just prepared to call out this horrifying problem for what it is?

"For too long we have ignored the race of these abusers and, worse, tried to cover it up. No more. These people are predators and the common denominator is their ethnic heritage."

More than 100 MPs and peers, including Ms Champion, later complained about "Nazi-like" language in The Sun following a comment piece by the paper’s former political editor Trevor Kavanagh in which he asked what could be done about "the Muslim Problem".

It comes as Mr Corbyn continues his summer blitz of marginal constituencies with a series of visits in Lancashire, including areas with significant Asian populations. Next week, he will hold a rally in Glasgow.

The Labour leader has targeted scores of seats during the parliamentary recess as he seeks to build on the momentum developed by his party at June's general election.

He is to cap his latest day of campaigning with a rally at Victoria Park, Nelson.