Gaza witness: Israel disproportionate, Palestinians fear re-occupation. (VIDEO)

Israel's intensifying its barrage of Gaza on the fourth day of hostilities, and stepping up preparations for a ground invasion. Militants are firing back with unguided rockets that mostly fall off target, while Israeli precision strikes are leading to a rising number of civilian deaths. Film-maker and activist Harry Fear has been in Gaza since the first bombs fell. He says Israel has the capability to avoid collateral damage - but has instead chosen to attack indiscriminately.