24 hours in pictures

Yala, Thailand: Security forces inspect the site of a roadside attack by suspected separatist militants Photograph: Muhammad Sabri/AFP/Getty Images

Shanghai, China: A man on a motorised tricycle transports clothing for recycling Photograph: Peter Parks/AFP/Getty Images

Vilnius, Lithuania: A man walks his dog along the bank of the frozen river Neris as morning temperatures plummeted to -23C Photograph: Mindaugas Kulbis/AP

Dulverton, UK : A pheasant stands in snow on Exmoor Photograph: Matt Cardy/Getty Images

New Delhi, India: A schoolboy walks in the early morning sunlight in the Hauz Khaz neighbourhood Photograph: Roberto Schmidt/AFP/Getty Images

Sofia, Bulgaria: A woman peers through an icy window on a tram Photograph: Dimitar Dilkoff/AFP/Getty Images

Istanbul, Turkey: A woman walks along a snowy Istiklal Avenue Photograph: Mustafa Ozer/AFP/Getty Images

Dana Point, USA: Bottlenose dolphins swim ahead of the bow of a boat off the southern California coast Photograph: David McNew/Getty Images

Orlando, USA: Newt Gingrich poses for photographs at a campaign rally Photograph: Chip Somodevilla/Getty Images

Sana'a, Yemen: Girls look out from behind a curtain at the back of a truck Photograph: Khaled Abdullah/Reuters

Kirchdorf, Germany: A fishing net hangs from an ice-bound boat on the Baltic Sea Photograph: Jens Buettner/EPA

Allahabad, India: Supporters listen to the Samajwadi party leader, Mulayam Singh Yadav, at an election rally Photograph: Rajesh Kumar Singh/AP

Lytse Wielen, the Netherlands: People skate on a frozen lake Photograph: Catrinus van der Veen/EPA