An Indian taxi app service has launched a free boat rescue service to help those trapped by the floods in Chennai.
The boats, provided by Ola, which normally organises cars for its users, have been ferrying food and water as well as stranded passengers.
It seems like the idea actually started as a joke on social media, before being made reality a few days later.
More than 70 people have been killed as rains continue to fall on the city in the south of India, media reports say.
Around 10,000 people have already been evacuated and much of Chennai has come to a standstill.
Pictures show people struggling through deep water, flooded buildings and completely submerged cars.
Over the weekend one user shared a picture of the Ola booking screen, with a button highlighted to hail a “boat” instead of the usual car.