Israel says it plans to step up its offensive against Hamas militants in Gaza today.
Israel carried out overnight air strikes against Gaza's security headquarters and police stations, in the heaviest bombardment since operations began on 8 July.
It also said its troops had carried out a brief raid against a rocket-launching site in the coastal territory.
Israel says that Palestinian militants fired about 90 rockets from the Gaza Strip into its territory yesterday..
At least 159 Palestinians have died in the air strikes, according to Gaza officials.
These people are fleeing in terror:
