Jeremy Corbyn suggested at the weekend that all MPs should do so.
Khan said the Labour party's failure to tackle anti-Jewish sentiment was "unacceptable."
School children dress up as politicians to mock the likes of Boris Johnson and David Cameron in the Green Party's election broadcast.
Development spokesperson calls overseas territories an exploited "relic of empire."
A return to the policies of the 1930s would not end well.
List shows perceived foes and allies of the left-wing opposition leader.
Britain's pro-EU camp needs the Labour Party leader to sound more enthusiastic.
The former Greek finance minister admire the intellectual strength of those making the case for Brexit.
Former Mayor of London rules himself out and names John McDonnell as successor in the event of Corbyn's death
Trump caused an outcry by calling for a ban on Muslims entering the U.S.
The former shadow attorney general is the fourth minister to resign since a controversial reshuffle.
The test of a political party is whether it can speak for the country. Corbyn's Labour does not
The Labour Party leader has reshuffled his top team to ensure a more unified policy on foreign affairs and defence
There is speculation that the left-winger may promote allies and demote opponents.
Defense Minister says raids hit oil fields controlled by ISIS
Vote comes at the end of weeks of debate within all major U.K. parties
Labour leader believes that airstrikes "will not solve the problem" in Syria and opposes them
Trump and Sanders in the U.S. Modi in India. Corbyn in the U.K. All are disrupting politics as usual.
The politician is speaking at Labour Friends of Israel event at the party's conference.
Corbyn's opposition to military action in Syria could damage U.K.-U.S. relations.