An Israel Defense Forces tank and two armored
bulldozers entered the northern Gaza Strip on
Thursday after a Qassam rocket fired by militants
there landed inside the southern city of Ashkelon
for the first time, witnesses said.

This is very serious. Sderot, the usual Qassam target, is a small town on the border; Ashkelon, however, is a city of a decent size. If anymore rockets start falling we are going to start seeing some very serious military activity in Gaza, and it wont be a minute too soon.