Al-Jazeera Video: Inside Story - Gaza strikes: Motives and consequences

"As Israel and Hamas fighters attack each other, fears are growing that their conflict could develop into a full-scale ground war in the Gaza Strip. Israel says all options are on the table. Hamas says dark days await Israel. It also says it has, for the first time, fired missiles at Tel Aviv. So, what are the motives and the consequences of this latest series of attacks on Gaza? And could these be the opening shots in Binjamin Netanyahu's election campaign?"