The Observer's 20 photographs of the week

The most dramatic photojournalism of the week came from the attacks at the Westgate Shopping Mall in Nairobi. Here, a police officer tries to secure an area while civilians flee in search of safety Photograph: Siegfried Modola/Reuters

Civilians who had been hiding inside Westgate mall during the terror attack manage to flee. Gunmen threw grenades and opened fire, killing at least 67 people in an attack which the terrorists claimed targeted non-Muslims Photograph: Jonathan Kalan/AP

Finally from Nairobi, rescuers carry an injured woman away from the mall after the attack. Somali Islamist group al-Shabaab claimed responsibility for the siege Photograph: Kabir Dhanji/EPA

A supercell thunderstorm in Sanford, Kansas captured by professional storm chaser Roger Hill. He travelled nearly 50,000 miles in search of extreme formations such as tornadoes and supercells Photograph: Roger Hill/Barcroft Media

Free Syrian Army fighters take cover moments after firing a rocket at government forces in the village of Kafr Nboudah Photograph: AP

Models present creations from the Dolce & Gabbana spring/summer 2014 collection during Milan fashion week Photograph: Max Rossi/Reuters

After Milan, the fashion world moved to Paris – where Femen activists disrupted Nina Ricci's show Photograph: Jacques Brinon/AP

Tottenham Hotspur's Jan Vertonghen grabs the shorts of Aston Villa's Nicklas Helenius during the Capital One Cup third round match in Birmingham. The referee Jon Moss refused to give Villa a penalty Photograph: Laurence Griffiths/Getty

Barcelona football star Lionel Messi arrives at court in Gava, Spain. He and his father appeared before a Spanish judge to answer questions in a tax fraud case Photograph: Paco Serinelli/AP

In Madrid, Spain, police break into Maria Isabel Rodriguez Romero's apartment to evict her and her family. They have lived in an apartment owned by the city's housing company (EMVS) for 24 years and they have repaid a debt of €1,200 – but EMVS informed the family that they still had to move out Photograph: Andres Kudacki/AP

Photographer Andres Kudacki continued to document the Rodriguez family's plight. Here, Efren Rodriguez Gonzalez looks after his granddaughter Maria Isabel Ferrer Rodriguez outside the Madrid apartment the day after their eviction Photograph: Andres Kudacki/AP

The Borges family gather at the breakfast table with tiger Tom, in Maringa, Brazil. Ary Borges, far right, who looks after nine tigers and two lionesses, is in a legal battle with federal wildlife officials to keep his endangered animals from being taken away from him and his family Photograph: Renata Brito/AP

Breeders take care of 14 giant panda cubs in Chengdu, China Photograph: China Daily/Reuters

Pakistani Christian women grieve over the coffins of their relatives in a photograph by regular contributor to this gallery, Muhammed Muheisen. The victims were killed in a suicide attack on a Peshawar church in one of the worst assaults on the country's Christian minority for years Photograph: Muhammed Muheisen/AP

Following the Peshawar suicide attack, Pakistani Christians in the country's second biggest city, Lahore, hold a burning tyre as they stage a protest against the bombing Photograph: Arif Ali/AFP

Performers pose as human statues at King's Cross Square, the new public area outside the redeveloped London rail station Photograph: Leon Neal/AFP

A Bahraini drags wooden pallets to block a road during clashes with riot police, following an anti-regime protest in the village of al-Maqsha Photograph: Mohammed Al-Shaikh/AFP

Hindu priests look inside the Pashupatinath Temple in Kathmandu, Nepal Photograph: Navesh Chitrakar/Reuters

Palestinian stone throwers confront Israeli soldiers in Hebron, West Bank. Tensions rose following the death of an Israeli soldier who was shot by a suspected Palestinian gunman. Troops locked down Hebron with roadblocks in the hunt for the shooter Photograph: Marco Longari/AFP

Young Palestinian bride Tala Soboh, 14, and her groom Ahmed, 15, leave Tala's house during their wedding party in the town of Beit Lahiya, near the border between Israel and the northern Gaza Strip Photograph: Mohammed Salem/Reuters