Good afternoon and welcome to the BBC's live coverage of the Israel-Gaza violence. At least 20 Palestinians and three Israelis have been killed since Israel assassinated the military commander of Hamas on Wednesday. Stay with us for the latest updates, incorporating reports from our correspondents on the ground, expert analysis, and your reaction from around the world, which you can send via email, text or twitter. We'll publish what we can.
Earlier, Egyptian Prime Minister Hisham Qandil called on Israel to stop its aerial bombardment of Gaza. On a brief visit to the coastal territory to show solidarity with the Palestinian people, he said what he had witnessed there was a disaster and he could not remain quiet.
Air strikes over Gaza continued during Mr Qandil's visit as did rockets fired from Gaza into Israel. Not long after he left, the sound of a large explosion was heard in Tel Aviv and air raid sirens sounded. An Israeli police spokesman said a missile had landed in an open field in the Tel Aviv area.
Meanwhile, the Hamas-run health ministry has just announced that a Palestinian has been killed and another injured in an Israeli air strike in the southern Gaza Strip town of Khan Younis. The death increases to at least three the number of Palestinians killed on Friday and 20 since the death of Ahmed al-Jabari, commander of the Izz al-Din al-Qassam Brigades, on Wednesday.
More on the rocket fired towards Tel Aviv - Israeli police spokesman Micky Rosenfeld tells the BBC that it fell into the sea. Tel Aviv municipality has ordered the opening of all air raid shelters, he adds. It is the second day running that a rocket from Gaza has reached the Tel Aviv area.
The sound of additional Israeli air strikes has also be heard in Gaza City, and Hamas-run al-Aqsa TV has been showing live footage of smoke rising from various locations.
Wyre Davies, BBC Middle East correspondent, Gaza City
tweets: Surreal. Watching #Gaza militants launching rockets, #Israel hitting launch sites then rockets (sometimes) intercepted by "Iron Dome."
Katya Adler, BBC News, Tel Aviv
tweets: #Israel military saying they're destroying medium range rocket supplies in #Gaza yet sirens just gone off in TelAviv again
Egyptian President Mohammed Mursi has now said he "will not leave Gaza on its own". "What is happening is a blatant aggression against humanity," he is quoted as saying by the official Mena news agency.
1245 IDF Spokesperson
tweets: No rocket hit Tel Aviv. Fact: 340 rockets have hit Israel since Operation Pillar of Defense began. #IsraelUnderFire