The Observer's 20 photographs of the week

This week's best photojournalism again came from the Philippines. In this Dan Kitwood photograph, a family gather around the grave of a relative who was killed when Typhoon Haiyan struck their home in Leyte, Philippines Photograph: Dan Kitwood/Getty

Philippe Lopez has produced some memorable work from Leyte such as this one of survivors during a religious procession. The United Nations has estimated that 13 million people were affected by Typhoon Haiyan, with around 1.9 million losing their homes Photograph: Philippe Lopez/AFP

A demonstrator kisses a riot police officer during a protest in Susa, northwestern Italy, against the planned construction of high-speed train line between Lyon and Turin Photograph: Marco Bertorello/AFP/Getty

The crowd celebrates after Steven Smith of Australia took a catch to dismiss Ian Bell of England as Australia dominated the first Ashes Test match at The Gabba in Brisbane, Australia Photograph: Scott Barbour/Getty

Anna Pogorilaya of Russia performs in the ladies short programme during the Grand Prix of Figure Skating in Paris, France Photograph: Dean Mouhtaropoulos/Getty

Visitors admire an actor in costume at the Doctor Who 50th Celebration event in London, which marks 50 years of a show that has a worldwide cult following Photograph: Oli Scarff/Getty

Students wearing fake military uniforms and gas masks demonstrate against corruption, low incomes and high unemployment in Sofia, Bulgaria Photograph: Stoyan Nenov/Reuters

Participants celebrate after releasing a hot-air balloon during the Tazaungdaing Lighting festival in Taunggyi, Burma Photograph: Ye Aung Thu/AFP

A Palestinian girl holds a candle during a power cut in Jabaliya refugee camp in this image by 20 photographs of the week regular Ali Ali. The Gaza Strip is experiencing daily power outages lasting up to 16 hours due to the lack of fuel Photograph: Ali Ali/EPA

A Syrian man who fled recent violence in the mountainous Qalamoun region stands outside his tent in a refugee camp in the Lebanese farming town of Arsal
Photograph: Joseph Eid/AFP/Getty

Homes damaged by a tornado are seen in this aerial photograph in Washington, Illinois Photograph: Tasos Katopodis/Getty

US President Barack Obama is pictured alone at sunset as he walks from his limousine to the Oval Office of the White House in Washington DC Photograph: Jason Reed/Reuters

Following her daily work with her parents at a brick factory, Nagina Mohammed, seven, walks back carrying coal over her head to her home on the outskirts of Islamabad, Pakistan Photograph: Muhammed Muheisen/AP

A woman looks at Scallop by sculptor Maggi Hambling, a tribute to composer Benjamin Britten, on Aldeburgh beach. Britten's music was inspired by the Suffolk coastline and he often walked on this beach. This week saw the centenary of Britten's birth Photograph: Olivia Harris/Reuters

A woman looks on as Mount Sinabung in Indonesia spews ash, throwing a plume 8,000 metres into the atmosphere. Thousands of residents remained in temporary shelters fearful of more eruptions Photograph: Roni Bintang/Reuters

A Cambodian boy jumps from a tree into a pond at a rice paddy farm on the outskirts of Phnom Penh, Cambodia Photograph: Heng Sinith/AP

A woman cries after a fire in Ambedkar Nagar slum in Mumbai, India Photograph: Divyakant Solanki/EPA

A pair of harbour seals wearing satellite-linked transmitters on their heads face each other after being released into the waters of Howe Sound in Porteau Cove, British Columbia. Wearing the transmitters will help track their movements after their release Photograph: Andy Clark/Reuters

Children eat breakfast in the early morning in New Delhi, India Photograph: Altaf Qadri/AP

A West Highland Terrier walks through the sand dunes on Portstewart Strand, County Londonderry, as strong winds continued to buffet the Northern Ireland coastline Photograph: CATHAL MCNAUGHTON/Reuters