He warned that members of the party felt they were being silenced.
Jewish groups have condemned the actions of Jeremy Corbyn.
It comes hours after an equalities watchdog found Britain's opposition party under Corbyn's leadership acted unlawfully in its treatment of Jewish members.
"Anti-Zionism" must be stamped out whenever and wherever it rears its ugly head.
Pledging to "get Brexit done," and secure a U.S.-U.K. trade deal, the Conservative party leader won a huge victory in the general election.
There is a chance the Labour Party leader will become prime minister after the U.K. election—and, unlike Conservative Party leader Boris Johnson, he is no friend of President Donald Trump.
In preparation for the general election, Boris Johnson has created an ad campaign that parodies a famous scene in the movie 'Love, Actually,' while Hugh Grant, the star of that film, goes door to door for Johnson's Liberal Democrat opponents.
Trump spent his two days in London lashing out at allies and creating new rifts, but host Boris Johnson avoided the worst of the flak by limiting his interaction with the president.
The president is visiting the U.K. for the NATO summit in London from December 3-4.
"Boris is the right man for the time. He's really for the times," Trump said in early November.
The U.K. will hold an election in December and the new prime minister could be a man who's struggled to quell anti-Semitism in his party.
A British politician, who frequently champions equality and social justice issues, has been accused of making an anti-Semitic reference over the classic Beatles tune.
In an interview with Brexit Party leader Nigel Farage, Trump claimed that "certain aspects" of the current Brexit deal will prevent the U.K. from striking a trade deal with the U.S.
"We expect our president ... to represent all Americans with dignity with grace, and the president hasn't done that," former ambassador to NATO Nick Burns said.
U.S. President Donald Trump declined a request from Labour Party leader Jeremy Corbyn to meet during his state visit to the U.K.
Here's how we can distinguish between those genuinely dedicated to countering Jew-hatred from those caught up in partisan warfare.
The Vermont senator is "very exciting as part of an international movement against neoliberal economic inequality," the British Labour Party's shadow justice secretary said.
Britain's Ministry of Defence is investigating a video shared on social media that shows its soldiers purportedly using an image of U.K. opposition leader Jeremy Corbyn for target practice.
The signs were spotted in at least four different central London locations, including one across the road from the Parliament building.
Fifty-three percent of voters surveyed said they would now vote to remain in the European Union compared with 47 percent who wish to leave if they were given a new referendum.
Britain's Labour Party suspended councillor Damien Enticott after a Facebook post emerged in which he suggested "Jews are parasites" that "drink blood" and perform sexual acts on children.
There can be no tolerance of anti-Semitism at all, ever, by anyone.
Prime minister retains most of her ministers and appoints party rival Michael Gove to agriculture post.
Senior Conservatives told May that if the advisors didn't go, they would mount a leadership challenge.
Like Bernie Sanders, Jeremy Corbyn has fought off critics who said he couldn't attract widespread appeal.
The movement that grew around Labour's promises galvanized disillusioned voters and united people across age, race, ethnicity and region.