Hamas banned people wearing face mask on the streets. Yet on the picture you see Hamas "Militants" (Haaretz Term) are masked arresting unmasked men! So the decree was aimed at the population at large to identify their Fatah opponents. Really a sign of "moderation" by Hamas. Hams terrorists have to be crashed now.
U.S. asks Uzbekistan to join anti-ISIS coalition (Reuters)
from the article: PA Chairman Abbas issues decree outlawing Hamas armed militias