CLEAN : IS siege of Mount Sinjar broken: Iraqi Kurd official

The transcript announces a significant victory in a military operation against ISIS, led by the Peshmerga. Starting from Zumar, they liberated approximately 700 square kilometers, adding to the previously liberated 1000 square kilometers. ISIS forces are retreating with low morale. This operation is the largest conducted against ISIS, opening a corridor to Mount Shin guard, aiding trapped families.

What geographical feature did the operation extend to?

What was the situation of families trapped for the last few months?