The Gaza Rocket Threat
The BBC has an outstanding quick look at the various rockets launched from Gaza and their ranges in Gaza's rocket threat to Israel. The graphic is simple and effective.
The newer Qassams could technically thus reach the large Israeli industrial city of Ashkelon.
However, the threat has never materialised there as an everyday reality, unlike in Sderot.
Of much greater concern are the Katyusha rockets now turning up in Gaza. Three launches have been reported since 28 March, none of them causing casualties.
They can hit targets at a range of 22km, according to the Israeli army.
However even this is small compared to the kind of Katyushas used by Hezbollah militants in Lebanon which have a reported range of 100km...
Thanks to Judith Klinghoffer for pointing out the BBC Special Report.