What to know about why Israel launched dozens of attacks across Gaza

The body of a Palestinian killed in an Israeli army airstrike is brought to Shifa Hospital in Gaza City. Picture: Abdel Kareem Hana/AP

The relative calm of a ceasefire between Israel and Hamas came to an abrupt end on Tuesday, when Israel launched dozens of attacks on targets across the Gaza Strip.

Palestinian hospital officials say more than 320 people have been killed, including women and children.