On the lack of sprinklers in Grenfell Tower, and other buildings, he said: "My understanding is that the best expert advice is that retrofitting sprinklers may not always be the best technical way of ensuring fire safety in a building".
FIFTY-EIGHT people are missing and presumed dead in the Grenfell Tower disaster, the officer in charge of the investigation has said.
British outlets said May struggled to offer support or leadership in the wake of the blaze, accusing her of lacking emotional intelligence and calling her "Maybot".
Though 30 people have been confirmed dead so far, the death toll is expected to rise as the building held hundreds of people and many were trapped in their homes during the fire.
Engineering experts and fire safety specialists believe the building's exterior cladding may have quickly fueled the blaze, overwhelming fire protection devices.
The meeting is unlikely to quell complaints that May has been slow to reach out to victims, despite her announcement of a $6.4 million emergency fund to help the displaced families.
Egyptian court recommends death penalty for 31 in prosecutor assassination case
Critics claimed that the defendants undergo unfair trials and give testimonies under pressure. Only half of the defendants are now in custody, with the remaining 15 on the run.
Anger boiled over on Friday as people stormed Kensington & Chelsea Town Hall.
Khan described the fire as a "preventable accident that didn't need to happen", adding that the "tragedy we're seeing is a effect of the mistakes and neglect from politicians from the council and from the government".
Her First Secretary of State, Damian Green, defended the prime minister, saying she was as "distraught as we all are".
May said phone lines at the Council would be better staffed and more staff would be deployed in the area.
"Clearly it's quite unprecedented for 16 very ordinary people, who this time last week were walking their dogs or talking to each other in the streets around here and north Kensington, actually to be in 10 Downing Street talking face-to-face with the prime minister", he said.
"As soon as we can, we will locate and recover loved ones", he added.
A woman touches a poster for 12-year-old Jessica Urbano on a tribute wall Friday after laying flowers on the side of a church next to the Grenfell Tower in London.