Jerusalem, Aug. 21 -- As the earliest stages of a massive assault on Gaza City take shape, Israel is calling up tens of thousands of reservists to take part in the impending military operation.

The takeover and occupation of the largest city in northern Gaza, which Israel's Prime Minister Benjamin Netanyahu said was one of the last Hamas strongholds, will require the military to bring in 60,000 more reserve troops and extend the service of another 20,000, reports CNN.

The Israeli military is already on the outskirts of Gaza City, Israel Defense Forces (IDF) spokesman Brigadier General Effie Defrin said Wednesday, in what he described as the first steps of the larger operation.

When the security cabinet first approved the takeover of Gaza...