Heavy rain has deluged parts of Southern California, with forecasters warning of a “potentially historic amount of rain” and severe flooding in the usually arid part of the United States, as Tropical Storm Hilary raced in from Mexico.
One person died in Mexico amid reports of flash flooding in the Baja California peninsula, where some roads were swept away and images on social media showed torrents of water gushing down city streets that had been turned into rivers.
