Matt Cetti-Roberts

11/12/2014. Sinjar Mountains, Iraq. A Yazidi fighter holds his hat on to keep it from blowing off in the downdraft created by an Iraqi Air Force Mi-171E Hip helicopter during a mission to drop supplies and evacuate families on the top of Mount Sinjar. Although a well publicised exodus of Yazidi refugees took place from Mount Sinjar in August 2014 many still remain on top of the 75 km long ridge-line, with estimates varying from 2000-8000 people, after a corridor kept open by Syrian-Kurdish YPG fighters collapsed during an Islamic State offensive. The mountain is now surrounded on all sides with winter closing in, the only chance of escape or supply being by Iraqi Air Force helicopters.

28/09/2014. Rabia, Iraq. Two fighters belonging to the Syrian-Kurdish YPG react to incoming fire from Islamic State insurgents, as they wait for an order to return fire in the Iraqi border town of Rabia. Facing each other across the Iraq-Syria border, the towns of Al-Yarubiyah, Syria, and Rabia, Iraq, were taken by Islamic State insurgents in August 2014. Since then The town of Al-Yarubiyah and parts of Rabia have been re-taken by fighters from the Syrian Kurdish YPG. At present the situation in the towns is static, but with large exchanges of sniper and heavy machine gun fire as well as mortars and rocket propelled grenades, recently occasional close quarter fighting has taken place as either side tests the defences of the other.

28/09/2014. Al-Yarubiyah, Syria. A Syrian-Kurdish YPG fighter watches television in the Syrian town of Al-Yarubiyah. Facing each other across the Iraq-Syria border, the towns of Al-Yarubiyah, Syria, and Rabia, Iraq, were taken by Islamic State insurgents in August 2014. Since then The town of Al-Yarubiyah and parts of Rabia have been re-taken by fighters from the Syrian Kurdish YPG. At present the situation in the towns is static, but with large exchanges of sniper and heavy machine gun fire as well as mortars and rocket propelled grenades, recently occasional close quarter fighting has taken place as either side tests the defences of the other.

16/08/2014. Jalawla, Iraq. A Kurdish peshmerga fighter keeps watch at a defensive outpost outside the Islamic State (IS) held town of Jalawla, Iraq. Control of the town of Jalawla has switched sides several times, but is now in IS hands after the peshmerga withdrew on the 11th of August.

27/07/2014. Erbil, Iraq. Iraqi internally displaced persons (IDP's) are seen at the Kalak refugee camp near the Iraqi-Kurdistan's capital city Erbil.

27/07/2014. Erbil, Iraq. Refugees from southern Iraq collect drinking water from a stand pipe at a camp for internally displaced persons (IDP's) at the Kalak Checkpoint near Erbil in Iraqi-Kurdistan.

09/07/2014. Piramagrun, Iraq. A portrait of Shakr Mahmood Maha, an Iraqi refugee from Samarrah, at the Shazad Saeeb primary school in Piramagrun, Iraqi-Kurdistan, where he now lives with 84 members of his extended family.

12/12/2012. London, UK. The London skyline is seen at dawn through a freezing winter mist from Primrose Hill in North London. Photo credit: Matt Cetti-Roberts

24/10/2011. LONDON, UK. Ballet dancers pose as part of 'Dance GB' in the Painted Hall at the Old Royal Maritime College in Greenwich, London. 'Dance GB' is set to be one of the highlights of the 2012 London Olympic Games and will see the UK's three national dance companies working together for the first time. Photo credit: Matt Cetti-Roberts

A sandstorm moves in across a parched minefield east of Kirkuk, Iraq. The minefield was laid to protect Iraqi Army positions dug in on the border between Iraq and Iraqi-Kurdistan during the 2003 coalition forces invasion.

08/08/2011. LONDON, UK. Police stand in front of a burning shop on London Road in Croyden after it was set alight by rioters. The fire took place as Croydon was hit during a third night of violence across London which also spread to at least three other cities in the United Kingdom. Photo credit: Matt Cetti-Roberts

WINDSOR, UK 25/06/11. The wheelchair of triple amputee Guarsdman Lamin Manneh, who lost both legs and part of one arm in his units recent operational tour of Afghanistan, is seen line of his fellow Guardsmen during a medals parade. The First Battalion, The Irish Guards, recently returned from operation Herric in Afghanistan, were parading at their current base, Victoria Barracks, in Windsor to receive the Afghanistan Campaign Medal from the Duke and Duchess of Cambridge. Photo credit should read Matt Cetti-Roberts

One of the Titan Fighter instructors, Mark Smith, stands in the middle of the main training areas as pupils warm up by running around the gym.

Anti government graffiti sprayed on the side of a police van at the second set of student protests in central London. The police van, left on Whitehall amidst the kettled marchers, became the focus for media and demonstrators alike. 24/11/10

A young girl looks up at her father, an RAF squadron leader, newly returned from Iraq. The return of his squadron marked the end of almost two decades of RAF operations in the Middle East that began with the 1991 Gulf War.

A Severn class lifeboat manned by Falmouth RNLI volunteers powers it's way through the swells in Falmouth Bay, Cornwall 2008.