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London Mayor Sadiq Khan has revealed how strangers have labelled him a “gay Muslim terrorist” and wished he was killed.

Some people have said he should be deported; another wished he would “blow himself up”.

The Mayor highlighted some of the vicious abuse and threats he has received on Twitter in an effort to highlight racism and its effect on young people.

He spoke out after a former Tory minister urged the Government to introduce a “proper legal definition of Islamophobia” following reports that anti-Islamic letters were posted across Britain at the weekend.

West Yorkshire Police are investigating a possible hate crime after receiving a string of reports of letters advertising “Punish a Muslim Day”.

Social-media users in London and Birmingham also reported receiving the letters.

Mr Khan, a practising Muslim, read out a selection of the inflammatory tweets he has received to a business event in Texas in the US.

“Treason is still a crime punishable by death in this country. Your name will be at the top of that list,” @Latino_Amante wrote to him last year.

Then just two months ago, @SpeedwagonPRST wrote: “I’d pay for someone to execute Sadiq Khan.”

Last June @billwall69 tweeted: “I say kill the Mayor of London and you will be rid of one Muslim Terrorist?”