Migrants face 'unimaginable horrors' crossing Africa says UN

Refugees and migrants face extreme violence, abuse and exploitation on land routes crossing Africa to get to the Mediterranean, with far more believed to be dying there than at sea, a U.N.-backed report said Friday.

Nearly 30,000 migrants have been declared dead or missing attempting to cross the Mediterranean to Europe in the past decade.

Time-lapse video captures dust clouds over Athens

The eerie, orange-hued phenomenon of the Saharan dust blanketing Athens during the week has been captured by a time-lapse video released by Meteo weather service of the National Observatory of Athens.

The images were recorded on Tuesday and Wednesday, when the dust cloud was at its strongest over Greece, before receding and moving further east.

Saharan dust covering Greece to subside on Wednesday

A major plume of Saharan dust that has affected much of Greece is expected to subside during the course of Wednesday, the National Observatory of Athens' DUST/METEO service said.

Prevailing west-northwesterly winds will gradually carry the dust toward the Aegean sea, while high concentrations are expected on Thursday over the islands of the Dodecanese. 

African dust creates otherworldly atmosphere

Athens and southern parts of the country were again enveloped in Saharan dust on Tuesday, with hues of yellow and orange creating an otherworldly atmosphere.

The heavy concentration of dust particles affected most people with respiratory conditions "through the degradation of air quality," as pointed out by the Hellenic Pulmonary Society.

With dust to persist through Friday, experts warn of health risks

High concentrations of Saharan dust that enveloped most of Greece on Wednesday are to remain Thursday and Friday, heaviest in the west and south of the country. Experts warn that bacteria, fungi and pollen can be embedded in African dust, further affecting vulnerable groups.