World in focus — best photos for January 20, 2017

Demonstrators in London hang a banner that reads “Act Now! Build Bridges not Walls” from Tower Bridge during a protest on January 20, 2017 against the inauguration of Donald Trump as US president. Toby Melville / Reuters

Runners compete in the Dubai Marathon in the Gulf emirate on January 20, 2017. Middle-distance legend Kenenisa Bekele, who was aiming to add the marathon world record to his 5,000 metres and 10,000 metres records, limped out of the event after a fall. Agence France-Presse

Inmates set fire to a prison wing on January 19, 2017 during a clash between gangs as fresh fighting erupted at Alcacuz Penitentiary Centre near Natal in Rio Grande do Norte, Brazil. Stick-wielding inmates hurled stones and lit fires Thursday in the jail where dozens were previously massacred, as authorities struggled to contain a spreading wave of gang violence. Andressa Anholete / Agence France-Presse

Britain’s Andy Murray hits a return against Sam Querrey of the US on January 20, 2017 on Day 5 of the Australian Open tennis tournament in Melbourne. Agence France-Presse

A man uses an umbrella on January 20, 2017 against the snow near the Gwanghwamun — the main gate of the 14th-century Gyeongbok Palace — a South Korea landmark, in Seoul. Lee Jin-man / Associated Press

Breeders hold baby giant pandas as they pose for pictures ahead of the Spring Festival in Chengdu, Sichuan province, China, on January 20, 2017. China Daily via Reuters

A man carries his fishing net on Tonle Basac riverbank in Phnom Penh, Cambodia on January 20, 2017. Samarang Pring / Reuters

A firefighter sits next to his colleague on January 19, 2017, outside the historic Plasco building in Tehran, Iran. The iconic structure was destroyed by a fire on Thursday. Dozens of firefighters were killed when the building collapsed. Vahid Salemi / Associated Press

A woman stands by a wall of snow next to the door of her home in the village of Campotosto, in the mountainous region of central Italy on January 19, 2017. The area has been hit by a series of quakes since August, including one on Thursday that triggered an avalanche, burying an alpine hotel and about 30 occupants. Claudio Lattanzio / ANSA via AP

A firefighter rescues a cat from a fire at Senen market in Jakarta, Indonesia on January 19, 2017. Darren Whiteside / Reuters

Take a look at some of the best photos from around the world today.