The storm-battered US island territory has struggled through days with virtually no electricity, and more misery could be on the way thanks to a dam that might fail at any moment.
The original tweet by the Federal Emergency Management Agency has since been deleted.
Singer is urging fans to help rebuild the island devastated by natural distaster.
3.5 million people could be left in the dark after "worst storm ever" destroys island's electricity grid.
Hurricane Maria slammed into Puerto Rico as the strongest storm to hit the US territory in nearly 90 years, even stronger than Irma.
Residents without electricity told it's illegal to use solar power.
Lisa Santamaria, a single mother of two, said she could not go to work fearing for the safety of her family members.
Tropical Storm Maria is expected to form into hurricane and hit Caribbean islands.
County leaders criticised for failing to organise certified sign language interpreter.
The week's best photos from around the world, from Hurricane Irma and Mexico earthquake to the Rohingya crisis and Australia's same-sex marriage vote.
Over 100 prisoners have been recaptured after escaping from a jail on Tortola.
The Navy's shortcomings were shown in Britain's response to Hurricane.
The Gainesville Police Department's viral post has received more than 200,000 comments and has been liked by around half a million people.
Britain is unable to use its aid budget to help its Caribbean territories hit by the hurricane.
Some escaped Irma's wrath while others struggled to face the day after the storm.
'Please do not call 9-1-1 and request this group respond to your 'incident'', the Gainesville Police Department said in response.
Beyonce, Stevie Wonder and Leonardo DiCaprio lead huge crowd of A-listers to help raise money
British Virgin Islands among Caribbean territories devastated by powerful hurricane in September.
Britain's Defence Minister Michael Fallon said his government's effort was "as good as anybody else's". But is it?
Workers were told that they had to be back at work within 72 hours of the storm.
At least 37 people were killed when Hurricane Irma hit several islands across the Caribbean.
More than six million homes have been left without power in Florida.