The attackers, mostly young men armed with clubs, shouted insults about President Ellen Johnson Sirleaf and yelled "there's no Ebola", she said, adding that nurses had also fled the centre.
Triple accredited MBA
The head of the Health Workers Association of Liberia, George Williams, said the unit had housed 29 patients who "had all tested positive for Ebola" and were receiving preliminary treatment.
Confirming that 17 had escaped, he said that only three had been taken by their relatives, the other nine having died four days earlier.
Fallah Boima's son was admitted to the ward four days ago, and seemed to be doing well, but when the distraught father arrived for his daily visit on Sunday his son was nowhere to be seen, AFP adds.
"I don't know where he is and I am very confused," he said. "He has not called me since he left the camp. Now that the nurses have all left, how will I know where my son is?"
'Stupidest thing'
Ebola is spread by contact with an infected person's bodily fluids, such as sweat and blood, and no cure or vaccine is currently available.
Blood-stained mattresses, bedding and medical equipment were taken from the centre, a senior police officer told BBC News, on condition of anonymity
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