Authorities in Sanaa have declared a state of emergency in the Yemeni capital, where a deadly outbreak of cholera has spread rapidly.

The health ministry said it was “unable to contain this disaster” and appealed for international humanitarian assistance to deal with the crisis, in a statement released overnight.

Yemen has been since March 25 subjected to a devastating aggression by Saudi-led coalition, and less than half of the country’s health facilities are functioning two years into the conflict.

The International Committee of the Red Cross said on Sunday the cholera outbreak has killed 115 people and left 8,500 ill between April 27 and Saturday.

This is the second outbreak of cholera in less than a year in Yemen, the Arab world’s poorest country.

The World Health Organization now classifies Yemen as one of the worst humanitarian emergencies in the world alongside Syria, South Sudan, Nigeria and Iraq.

Critical food imports are also at an all-time low as many of the country’s Red Sea ports are blockaded by the Saudi-led coalition.