Has reality died? As the United States heads towards a fateful election, Donald Trump is spreading wild lies about the weather. Yet millions of Americans will still vote for him.
After the hurricane: America goes mad
Storm brewing: False claims, such as those above, have been circulated by Trump supporters on social media, with new rules on X making sharing false viral content more lucrative than ever. Glossary
Barack Obama - The Democrat US president between 2008 and 2016.
Kamala Harris - US Democratic presidential candidate Joe Biden's running mate. If elected, she will be the first female vice president of the USA.
Pittsburgh - A city in the US state of Pennsylvania.
Hurricane - A storm with violent winds that move in a circular direction.
Tornadoes - A strong, dangerous wind that spins very quickly in a funnel and reaches down to the ground. It can destroy things that it passes over.
Misinformation - Incorrect or misleading information unintentionally presented as fact. It can be contrasted with disinformation or deliberate lies.
AI - A computer programme that has been designed to think.
CGI - Computer-generated imagery.
Conspiracy theorist - A person who believes that some secret but influential organisation is responsible for a particular event or phenomenon.
Cloud seeding - A weather modification technique. It involves adding substances to clouds to make it rain.
15-minute cities - An idea proposed by the Franco-Columbian urbanist Carlos Moreno that describes a city in which all daily amenities are located no more than a 15-minute walk from every resident.
Governor - In the USA, governors are elected leaders of the 50 states.
X - A social media network, formerly known as Twitter and owned by Elon Musk.