The BBC has asked the White House to review the security in place for media attending presidential rallies after a supporter of President Donald Trumpattacked a cameraman Monday during an event in El Paso, Texas.

BBC editor Paul Danahar wrote a letter to the White House requesting the review on Tuesday, after an unidentified Trump supporter stormed the rally’s press platform Monday night and attacked BBC cameraman Ron Skeans.

Danahar’s letter said the press area “was unsupervised and that no member of law enforcement or security stopped the attacker entering, intervened when he began his attack or followed up on the incident with our colleagues afterwards,” according to the BBC.

CNN reported that White House press secretary Sarah Huckabee Sanders released a statement Tuesday saying Trump “condemns all acts of violence against any individual or group of people ― including members of the press. We ask that anyone attending an event do so in a peaceful and respectful manner.” The statement asked people to direct all questions of security to the Trump campaign.