The 20 photographs of the week

The week's most compelling photojournalism came from the protests on the streets of Ukraine and Turkey. Here, soldiers stand near a checkpoint seized by them near Slavyansk in Ukraine. At least three people were killed and several injured in clashes between Ukrainian forces and pro-Russia separatists in the eastern city Photograph: Roman Pilipey/EPA

Photographer Manu Brabo continued his strong work from Ukraine. Here he photographs a pro-Ukrainian man after he had been beaten by pro-Russia activists during a rally in Donetsk. About a thousand pro-Russian activists armed with sticks and steel rods attacked the participants of a pro-Ukrainian rally in the city Photograph: Manu Brabo/AP

In another photograph by Manu Brabo, a pro-Russia protester covers his face after the police fired teargas during a demonstration on International Worker's Day in Donetsk Photograph: Manu Brabo/AP

Commuters cross London Bridge on the second day of the strike by underground train workers Photograph: David Levene/Guardian

A Free Syrian Army fighter fires a rocket-propelled grenade towards forces loyal to Syria's President Bashar al-Assad, during heavy clashes with them in Aleppo Photograph: Reuters

A mourner weeps by yellow ribbons at Jindo harbour where relatives of the missing from the Sewol ferry disaster are still waiting for developments in the grim search and recovery operations Photograph: Ed Jones/AFP

An Indian boy looks for metal scrap after a fire at a slum in Ghaziabad on the outskirts of New Delhi. A massive fire broke out at a scrapyard and spread to the adjacent slum area leaving hundreds of impoverished residents homeless Photograph: Tsering Topgyal/AP

A long exposure of embers flying from burnt trees following the wind-driven wildfire raging in the mountain area near Rancho Cucamonga, California Photograph: Stuart Palley/EPA

Uprooted trees are photographed after a tornado hit Vilonia, Arkansas Photograph: Carlo Allegri/Reuters

Photographer Siegfried Modola was covering the situation in the Central African Republic. In this photograph, a woman lies injured after a gunshot wound to the head near the village of Dekoua. The armed African Union peacekeeping convoy in which she was travelling came under attack by anti-Balaka militiamen Photograph: Siegfried Modola/Reuters

And here, in another photograph by Siegfried Modola, heavily pregnant women sit in the back of a Unicef vehicle after a night on the road, before departing towards the border with Chad Photograph: Siegfried Modola/Reuters

An African migrant rests on a border fence covered in razor wire during an attempt to cross into Spanish territory between Morocco and Spain's north African enclave of Melilla. Around 400 people stormed the border and at least 150 of them reached European territory, according to local authorities Photograph: Jesus Blasco de Avellaneda/Reuters

Afghans play on a trampoline at Qargha Lake, on the outskirts of Kabul Photograph: Mohammad Ismail/Reuters

FC Barcelona players, including Gerard Pique, Cesc Fabregas, Lionel Messi and Jordi Alba, arrive at former coach Tito Vilanova's memorial service at Barcelona Cathedral Photograph: Albert Gea/Reuters

In this photograph by Bulent Kilic, a regular contributor to this gallery, protesters wearing gas masks use catapults during clashes with riot police who prevented them from reaching Taksim Square in Istanbul for a May Day rally Photograph: Bulent Kilic/AFP

Taiwanese police remove a protester from outside Taipei railway station during an anti-nuclear demonstration Photograph: Mandy Cheng/AFP

Sara Naomi Lewkowicz was awarded the L'Iris d'Or at the 2014 Sony World Photography Awards for her series on domestic abuse, Shane and Maggie Photograph: Sara Naomi Lewkowicz/Getty Reportage

And photojournalist Daniel Berehulak this week won the 2014 Chris Hondros Fund Award. Christina Piaia, who established the fund after her fiancé Chris Hondros was killed in Libya, said: 'Daniel has an ability to capture quiet, intimate moments among chaos, and there is a tenderness to his work.' Here, flood victims scramble for food in Dadu, Pakistan, in February 2011 Photograph: Daniel Berehulak/Getty

Daniel Berehulak said: 'I had the pleasure of knowing Chris [Hondros] as a colleague and looked up to him as one would an older brother.' In this photograph from August 2010, a young girl, displaced by floods, sleeps on a makeshift bed in Garhi Khairo, Pakistan Photograph: Daniel Berehulak/Getty Images

And finally back to Ukraine where photographer Marko Djurica took a series of striking portraits of masked pro-Russia protesters posing on a chair inside a regional government building in Donetsk Photograph: Marko Djurica/Reuters