Residents of Khan Younis in Gaza are left to survey damage to an apartment building struck overnight by an Israeli fighter jet.
Elsewhere, a large crater was left behind by a missile fired from an Israeli war plane.
In central Gaza, three brothers were targeted and killed by the Israeli air force as they drove towards Gaza City.
They were on their way to sell tomatoes in the market.
Israel bombed 80 suspected guerrilla sites in the Hamas-ruled Gaza Strip overnight, while Palestinian rocket fire from the enclave dropped off amid international efforts to broker a truce.
The Israeli military confirmed that there was no rocket fire from Gaza between midnight and daybreak on Monday, but a few cross-border launches followed in the early morning with no casualties reported.
Ten civilians and two field commanders from the Islamic Jihad faction were killed and at least 30 other Palestinians were hurt in the latest air strikes, bringing the death toll from six days bombardment in Gaza to 85.
The Rafah tunnel area, on the southern tip of Gaza bordering Egypt, was also targeted by air strikes.
Israel's declared goal is to deplete Gaza arsenals and force Hamas to stop the rocket fire that's harrassed Israeli border towns for years.
Three brothers among dead in lethal airstrike on Gaza (1:21)
Nov. 19 - Extensive damage in Gaza after airstrike kills three brothers selling tomatoes. Sarah Sheffer reports. ( Transcript )