Gregg Wallace is to step away from presenting the BBC cooking show MasterChef while complaints made by individuals about historical allegations of misconduct are externally reviewed.
It comes as the 60-year-old faces allegations of inappropriate sexual comments from 13 people across a range of shows over a 17-year period, as reported by BBC News, which said it sent a letter to the TV star's representatives earlier this week.
Among the complainants is former Newsnight host Kirsty Wark, who alleged Wallace told jokes of a "sexualised nature" when she was competing on Celebrity MasterChef in 2011.
Wallace's lawyers have said "it is entirely false that he engages in behaviour of a sexually harassing nature", BBC News reported.
Earlier on Thursday, it was announced that Wallace is "committed to fully co-operating" with an external review by MasterChef's production company, Banijay UK.
A statement said: "This week the BBC received complaints from individuals in relation to historical allegations of misconduct while working with presenter Gregg Wallace on one of our shows.
"Whilst these complainants have not raised the allegations directly with our show producers or parent company Banijay UK, we feel that it is appropriate to conduct an immediate, external review to fully and impartially investigate.
"While this review is under way, Gregg Wallace will be stepping away from his role on MasterChef and is committed to fully co-operating throughout the process.
"Banijay UK's duty of care to staff is always a priority and our expectations regarding behaviour are made clear to both cast and crew on all productions, with multiple ways of raising concerns, including anonymously, clearly promoted on set.
"Whilst these are historical allegations, incidences brought to our attention where these expectations are not met are thoroughly investigated and addressed appropriately."
A BBC spokesperson said: "We take any issues that are raised with us seriously and we have robust processes in place to deal with them.
"We are always clear that any behaviour which (sic) falls below the standards expected by the BBC will not be tolerated.
"Where an individual is contracted directly by an external production company, we share any complaints or concerns with that company, and we will always support them when addressing them."
Wallace is best known for co-presenting MasterChef since 2005 as well as its spin-offs Celebrity MasterChef and MasterChef: The Professionals.
Recorded episodes of MasterChef: The Professionals featuring Wallace will transmit as planned, the PA news agency understands.
Wallace was the original presenter of the BBC show Saturday Kitchen in 2002 and has also featured on Eat Well for Less, Inside the Factory, Turn Back Time, Harvest, and Supermarket Secrets.
Source: Press Association
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