A guard withholds water from a barefoot migrant kneeling in front of him. An emaciated man lies on the ground while a thermostat reads 43°C. Refugees cower on the ground as bullets whizz by. Rough pencil sketches by an Eritrean refugee offer a glimpse of the brutal reality of Libya’s migrant detention centres, where thousands have been locked away for months or even years. Most are there after failing to make the perilous crossing to Europe through the Mediterranean Sea. The artist asked to be identified only by his nickname, Aser, because he fears reprisals from militias for speaking out about what he says are “nightmare conditions” inside the centres. In a country with no functioning government, it is often competing militias who run the detention facilities and make money off migrants. The drawings are based on what Aser, 28, witnessed inside several migrant facilities in Tripoli between September 2017 and October this year. At night, he recalls, he awoke to the sounds of militiamen dragging migrants from their sleep and beating them to get ransoms from their families, mostly in sub-Saharan Africa. Guards withheld food, water and medicine for the same reason. Refugees say Libya’s migrant detention centres are rife with abuse, and many have been caught in the crossfire of the country’s civil war. One drawing depicts refugees in the crossfire between rival groups in Tripoli. Libya became a major crossing point for migrants to Europe after the death of longtime dictator Muammar Qaddafi in 2011. But Europe now sends money for Libya to prevent migrants from reaching its shores. With increased reports of torture and abuse inside detention centres, the policy of supporting the Libyan coastguard as it intercepts fleeing migrants has come under growing criticism. Aser says that often, the only drinking water available inside the hangars where he was kept was a few buckets for hundreds of people. He and others went weeks without seeing sunlight and the crowded rooms became breeding grounds for disease. At the last facility where he was held, Abu Salim, he and another migrant said two Eritreans died from what they believed to be tuberculosis. Aser’s journey began more than four years ago, when he escaped forced military conscription in Eritrea. He made his way through Ethiopia and Sudan, and paid $6,000 (Dh22,038) to traffickers in Libya to secure a place on a boat to Europe. But the vessel was intercepted by the Libyan coastguard. Aser ended up in Tripoli in September 2017 and was placed in the first of three centres. Visiting workers from Medecins Sans Frontieres gave him pencils and paper, and he worked out of the sight of guards. He sometimes hid the drawings with other migrants and took photos of some sketches before destroying them. In late October, Aser fled to an already overcrowded UN-run centre with hundreds of other detainees. Now he hopes he can be one of the few to qualify for asylum, and be put on a flight through Niger and Rwanda to Europe. In the meantime, he says, his only escape is art. “I dream that one day I can move out of Libya to develop my skill by gaining additional education,” Aser says.