Massacre in Gaza: Israeli strikes kill more than 200
Israel attacks Gaza, more than 140 killed: medics
Israel's air force fired about 30 missiles at targets in the Gaza Strip on Saturday, destroying several Hamas police compounds and killing more than 140 people, medical officials and witnesses said.
The Israeli military confirmed it had conducted strikes, saying they targeted "terrorist infrastructure" and pledging to continue and expand attacks if necessary.
Hamas vowed to avenge what it called "the Israeli slaughter."
Medical officials said 120 people had been killed in Gaza City and another 23 in Khan Younis and Rafah in the southern Gaza strip.