The 24-storey residential building in west London was engulfed in flames in the early hours of Wednesday, killing at least 17 people, and some have questioned whether external cladding fitted to the building past year contributed to the rapid spread of the flames.
The prime minister said the inquiry, an official review of action by public institutions, was needed to ensure "this bad tragedy is properly investigated". Labour leader Jeremy Corbyn also arrived at the scene and met victims, telling them he will represent them.
The growing number of questions being raised is seeing grief and disbelief turn to anger.
Currently, 17 people are known to have died, six of whom have been provisionally identified, but the figure is expected to rise significantly.
The senior officer said he hoped the number of fatalities would not reach more than 100.
As of Thursday afternoon, more than 30 people were still being treated in hospital. "Based on what we know, there is nothing to suggest at this time that the fire was started deliberately", authorities said in Friday's press conference. It follows her visiting the scene in west London on Thursday morning.
Alhajali was with his older brother, Omar, in the flat but lost each other on the way out, said the Syria Solidarity Campaign.
Police also said they have launched a criminal inquiry into the fire.
"This is a multi-ethnic, multicultural, diverse community that just didn't get served by the people representing them", Collins told AFP.
After she called out for help, rescuers led Waewa and her family of four to safety in the dark.
Mohammed Haque's family were trapped on the 17th floor of the building and were in contact with him as the fire rapidly spread through the tower.More news: De Villiers remains defiant despite disastrous SA performance in Champions Trophy
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St. Clement's Notting Dale, a church near the tower, was turned into an informal center for people searching for missing friends and family.
"Mohammed undertook a unsafe journey to flee war and death in Syria, only to meet it here in the United Kingdom, in his own home", the Syrian Solidarity Campaign said in a statement.
One singer he might be able to snag for the record is Adele, who paid an emotional visit to the site of the fire on Wednesday night (14Jun17), hugging victims and doing her best to offer "comfort" to those affected by the tragedy.
"We have to get to the bottom of this".
The fire brigade said the fire was unprecedented in its scale and the speed of its spread. I feel very angry that so many lives have been lost when the system didn't work.
Khalid Ahmed, 20, was credited with saving the lives of many on the eighth floor after he frantically woke them.
A baby was dropped from the tenth floor of a blazing tower block and was caught by a man who ran forward from crowds underneath to grab it into his arms. "Every person in a position of power has to answer questions about this". "Right now, people want answers", she said.
Fire engulfed the social housing block, where as many as 600 people lived in more than 120 apartments.
"I am watching the footage of the Grenfell Tower fire in London".
The emergency services are gearing up for a third day of picking through the tower's charred remains in search of bodies. Specially trained dogs are being used to help in the search and recovery operation.