There are all sorts of reports and firsthand accounts over Twitter that Hamas has started shooting rockets at Jerusalem and Hamas itself has claimed that it shot a rocket toward the Knesset. It doesn’t appear that any rockets have hit Jerusalem proper, and it sounds as if they fell instead on Gush Etzion, which is a large settlement bloc south of Jerusalem. Where the rockets have landed is not as important as where they were intended to go though, and shooting at Jerusalem is a big, big deal for a couple of reasons.
First, the limited historical experience that Israelis have with this sort of thing is that Jerusalem is generally not targeted. During the Persian Gulf War, Saddam Hussein shot 42 Scuds at Israel and 39 of them landed, and they were all aimed at Tel Aviv and Haifa, but not at Jerusalem. During the 2006 war with Hizballah, Jerusalem was not targeted despite the rumored presence of long-range rockets in Hizballah’s arsenal. When Iran has made threats to attack Israel, Tel Aviv has been mentioned but not Jerusalem. The oft-stated Palestinian desire to liberate Jerusalem is a reference to pushing Israel out rather than destroying the city. Targeting Tel Aviv is not a surprise to Israelis, but sending large scale ordinance in the direction of Jerusalem is very much out of the ordinary.
Second, leaving aside the historical experience, there has been a presumption that Jerusalem would be left alone because of the makeup of its population and what the city contains. There is a large Palestinian population in East Jerusalem of over 200,000 people, and shooting notoriously unreliable and inaccurate rockets at Jerusalem is taking a huge chance of killing large numbers of Jerusalem’s Arab residents. While Hamas sent suicide bombers to Jerusalem with alarming frequency in the past, blowing up a bus or cafe in West Jerusalem meant killing large numbers of Jews. Sending rockets is a crap shoot, and while Jews are the obvious target, there is by no means a guarantee that Hamas will actually hit where they are aiming. In addition, Jerusalem is a patchwork mosaic of sites holy to Jews, Muslims, and Christians, whereas Tel Aviv and Haifa are not. Just imagine what would happen if a Hamas rocket hit the Old City and did any damage at all to the Temple Mount; the consequences of that are literally unimaginable.
Targeting Jerusalem is an enormous escalation and very risky, much more so than rockets toward Tel Aviv. Rocketing Tel Aviv to my mind guaranteed an eventual Israeli ground invasion, but attempting to bombard Jerusalem just exacerbates the situation to an exponential degree. Blake Hounshell tweeted earlier that Hamas firing at Jerusalem is the equivalent of scoring on your own goal, and I think that analogy is an apt one. It says to me that Hamas is getting desperate, and I think this move is going to backfire in a big way, both in terms of creating a more ferocious Israeli response and costing Hamas important points in the court of public opinion. Hamas is now acting in ways that could cause large numbers of Palestinian casualties and damage to Muslim holy sites, and I think that there will be consequences for this strategy.