Anthony Joshua and Boris Becker among the stars spotted at Black Lives Matter protests in the UK

Anthony Joshua mingles with fellow protesters while Boris Becker marches in a face mask as they join Alexa Chung and Suki Waterhouse for Black Lives Matter demonstrations in the UK

Sportsmen Anthony Joshua and Boris Becker were among the stars who were spotted joining nationwide Black Lives Matter protests on Saturday.

Alexa Chung and Suki Waterhouse also took to their respective Instagram accounts as they joined British-based protesters, following George Floyd’s killing in police custody, which has sparked worldwide demonstrations since late last month.

Ex-police officer Derek Chauvin has been charged with second-degree murder and second-degree manslaughter after a video surfaced of him crushing 46-year-old Floyd’s neck with his knee in Minneapolis, Minnesota.

Protest: British heavyweight champ Anthony Joshua is pictured at a Black Lives Matter protest in Watford on Saturday afternoon following the death of George Floyd in the United States

And heavyweight boxing champ Anthony, 30, was seen in the thick of the crowds as he supported the Black Lives Matter movement in his hometown of Watford.  

Wearing a black hoodie with the movement’s name on the front, the WBA, WBO and IBF world champion joined hundreds of others on the peaceful protest.

At one stage, Joshua, who walked with crutches and wore a leg brace as he recovers from a training injury, addressed those gathered over a microphone.

A spokesperson for the star told Sportsmail that he he is wearing the race as a precautionary measure, after feeling a ‘slight twinge’ in his knee while training.

Support: Meanwhile, tennis icon Boris Becker, 52, took to Instagram to share images of himself donning a green face mask, along with a black hoodie and cap as he protested in London

Meanwhile, tennis icon Boris, 52, took to Instagram to share images of himself donning a green face mask, along with a black hoodie and cap as he protested in London

Meanwhile, tennis icon Boris, 52, took to Instagram to share images of himself donning a green face mask, along with a black hoodie and cap as he protested in London.

He trained his phone’s lens on the thronging crowds as he showed them holding Black Lives Matter banners aloft in a show of solidarity.

Meanwhile, Alexa, 36, and Suki, 28, took to their respective Instagram accounts to share their own footage from the London protests.

Among the several images shared by model and actress Suki was a shot of a banner, which read: ‘Use our white privilege to dismantle the system.’

Their participation follows several days of countless celebrities publicly denouncing racism and the thousands of deaths of black people at the hands of the police.

Joshua joined hundreds of peaceful protestors on the march through his hometown

Joshua joined hundreds of peaceful protestors on the march through his hometown 

The boxer was handed a microphone to address those gathered during Saturday's protest

The boxer was handed a microphone to address those gathered during Saturday’s protest

Joshua is the latest high profile star to back the BLM movement following the death of African American George Floyd, who was killed by a white police officer in Minneapolis, United States.

Police officer Derek Chauvin has since been charged with second degree murder after a video emerged showing him kneeling on Floyd’s neck for almost nine minutes while he laid on the floor in handcuffs.

His death has sparked a series of sometimes protests across the United States and demonstrations around the world. 

Protests have occurred around the world following the death of George Floyd in Minneapolis

Protests have occurred around the world following the death of George Floyd in Minneapolis 

Joshua wore a leg brace and walked with crutches after sustaining a training injury

Joshua wore a leg brace and walked with crutches after sustaining a training injury

Joshua wore a hoodie with Black Lives Matter on the front in support of the movement

Joshua wore a hoodie with Black Lives Matter on the front in support of the movement

Hundreds turned out for the Black Lives Matter protest march in Watford on Saturday

Hundreds turned out for the Black Lives Matter protest march in Watford on Saturday