- President will receive briefing on search-and-rescue efforts
- Death toll at 18 while more than 140 still missing
2.19pm BST
Richard Luscombe reports for the Guardian on weather concerns at the Surfside condo collapse site:
The Miami-based National Hurricane Center (NHC) was monitoring two potential tropical systems crossing the Atlantic, the second of which, it said, had an 80% chance of developing into a dangerous tropical system over the next five days.
2.19pm BST
Greetings from Washington, live blog readers.
Joe and Jill Biden are en route to Miami, Florida, where they will meet with first responders and the families of the victims who died in the Surfside condo collapse last week.
Related: Miami condo collapse death toll hits 18 as weather has potential to affect site