Photos of the Day: Michelle Obama and Street Food

Chicago, US

Michelle Obama waves to fans at the opening of her multi-city book tour, joined by her friend Oprah Winfrey

Photograph: Jim Young/AFP/Getty Images

Guadalajara, Mexico

A migrant begs cars to stop on a motorway on the outskirts of the city as he tries to hitch a ride to the US

Photograph: Go Nakamura/Reuters

Paradise, US

The charred remains of buildings in Pine Grove mobile home park. A spate of wildfires in California has killed at least 50 people

Photograph: Hector Amezcua/Sacramento Bee via Zuma/Rex/Shutterstock