The Prime Minister said there had been "huge frustrations" on the ground as people struggled to find information.
"The response of the emergency services, NHS [National Health Service] and the community has been heroic", May said in a statement released Saturday after the prime minister met with victims and community leaders.
Asked if there were angry exchanges, he said: "We tried to hold it well as a meeting".
Confirming the latest death toll, Metropolitan Police commander Stuart Cundy said the tower remained "in a very hazardous state" but there was "nothing to suggest at this time that the fire was started deliberately". "I really hope it won't, but it may increase". "United in our sadness, we are equally determined, without fear or favour, to support all those rebuilding lives so horribly affected by injury and loss", she added. "We need to know exactly the number of people who were there during this tragedy".
"Both myself and colleagues from London Fire Brigade have already said it will take weeks".
Iran urges Persian Gulf Arab states to show restraint
Qatar's port authority published video Monday showing a ship arriving at Doha's Hamad Port from Oman's port of Sohar. Pakistan, which has close ties with the kingdom but also business ventures in Qatar, has stayed out of the dispute.
Families and friends make desperate appeals for people trapped in building.
Cundy said police will investigate the tower's refurbishment project, which experts believe may have left the building more vulnerable to a catastrophic blaze.
On Saturday, she invited a group of residents and community leaders to Number 10 Downing Street for a two and a half hour meeting to listen to their concerns.
"Sadly, it is expected that the total will rise and it is not expected that any survivors will be found", he said. But she said the welfare of her loved ones was more important.
Specialist sniffer dogs are on the scene to identify victims in the ashes.
After her visit, Mrs May said: "Everyone affected by this tragedy needs reassurance that the Government is there for them at this bad time - and that is what I am determined to provide".
Doctors: Scalise arrived at hospital in 'imminent risk of death'
Democrats opened an 11-2 lead in the fifth inning on the strength of his pitching, and by then he had scored every time he was up. PAT MEEHAN: I've struck him out on a curve ball a couple of years ago, and every time we see each other, we talk about that.
Rescue personnel have had difficulty reaching the top floors of the charred, 24-story tower.
Some Grenfell residents had warned months ago that fire safety issues at the tower left it at risk of a "catastrophic" event.
"We're all desperately sad, we're all angry, but of course none of us as angry as those who were directly affected". Numerous displaced are living in churches and community centers.
Cundy promised an exhausting investigation into the tragedy. "They feel the Government and local council haven't done enough to help them in the aftermath of this horrific incident, or to provide answers to their increasingly urgent questions".
"Our criminal investigation will identify any criminal offences that have been committed".
Admin revokes blocked program to protect immigrant parents
DACA allows these young, undocumented immigrants to obtain work permits and drivers licenses, and protects them from deportation. Trump made his feelings on then-President Barack Obama's immigration efforts very clear while he was running for office.