Scores of refugees, accommodated at a camp in the Bulgarian capital Sofia, have staged a spontaneous protest against the harsh conditions there after a young man died on Thursday morning.

Units for combating public unrest arrived at the scene, as well as the director of the State Refugee Agency Nikolay Chirpanliev.

But tensions subsided only after representatives of the Syrian community in Bulgaria called on the protesters to calm down.

The protest came hours after a Syrian man, aged 35, passed away on Thursday morning, less than a week after he was accommodated at the refugee center in Sofia.

The man arrived at the Military Ramp refugee center on November 15, together with his wife and three children, Dnevnik daily reported.

According to the other refugees at the center, the man has been suffering from cardiac problems and complained of feeling pain in his chest over the last few days.

Early this morning he said the pain had grown stronger after which he died at 10 am. An ambulance was called an hour after death.

Meanwhile scores of refugees, accommodated at camps across Bulgaria, has complained of lack of information, strained relations with security guards and dilapidated equipment.

The refugee camp in the town of Harmanli is notorious for its harsh conditions. New arrivals here live as squatters in a makeshift trailer park and are forced to brave low winter temperatures with only outdoor fires to keep them warm.