- Gunman infiltrated areas of southern Israel from the Gaza Strip.
- Israeli Prime Minister Benjamin Netanyahu declared: "We are at war."
- Tel Aviv and other Israeli cities have been hit by rockets attacks.
- Israel has responded with air strikes.
Palestinian Islamist group Hamas launched an unprecedented surprise attack on Israel on Saturday, the largest in decades.
Gunman infiltrated areas of southern Israel from the Gaza Strip, with Israeli Prime Minister Benjamin Netanyahu declaring: "We are at war."
Dozens of people have reportedly been killed with hostages taken back to the Gaza Strip. Tel Aviv and other Israeli cities have been hit by rocket attacks, while Israel has responded with air strikes.
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Vehicles on fire as rockets are launched from the Gaza Strip, in Ashkelon, Israel
An aerial view shows vehicles on fire as rockets are launched from the Gaza Strip, in Ashkelon, southern Israel October 7, 2023.
Palestinian militants ride an Israeli military vehicle
Palestinian militants ride an Israeli military vehicle that was seized by gunmen who infiltrated areas of southern Israel, in the northern Gaza Strip October 7, 2023.
Members of the Israeli forces take cover on the side of a street in Ashkelon
Members of the Israeli frorces take cover on the side of a street in Ashkelon as sirens wail while barrages of rockets are fired from the Gaza Strip into Israel on October 7, 2023.
Hamas' armed wing, the Izz ad-Din al-Qassam Brigades, hold a Palestinian flag
Hamas' armed wing, the Izz ad-Din al-Qassam Brigades hold a Palestinian flag as they destroy a tank of Israeli forces in Gaza City, Gaza on October 07, 2023.
Israeli Prime Minister Netanyahu meets with the security cabinet
Israeli Prime Minister Benjamin Netanyahu (3rd L) holds a meeting with security cabinet in Tel Aviv, Israel on October 07, 2023.
Rockets are fired from Gaza City towards Israel
Rockets are fired from Gaza City towards Israel on October 7, 2023.
A building is ablaze following rocket attacks from the Gaza Strip, in Tel Aviv, Israel
A building is ablaze following rocket attacks from the Gaza Strip, in Tel Aviv, Israel October 7, 2023.
A wounded soldier arriving at the emergency entrance to the Ichilov hospital in Tel Aviv
A woman holds the hand of a wounded soldier arriving at the emergency entrance to the Ichilov hospital in Tel Aviv following a Hamas incursion into Israeli settlements around the Gaza strip.
Journalists take cover as Israeli soldiers clash with Palestinian fighters near the Gevim Kibbutz
Palestinians celebrate as they ride on an Israeli military vehicle
Palestinians celebrate as they ride on an Israeli military vehicle that was seized by Palestinian gunmen who infiltrated areas of southern Israel, in the southern Gaza Strip October 7, 2023.
Israeli soldiers work to secure residential areas
Israeli soldiers work to secure residential areas following a mass-infiltration by Hamas gunmen from the Gaza Strip, in Sderot, southern Israel October 7, 2023. REUTERS/Ammar Awad
Palestinian militants move toward the border fence with Israel
Palestinian militants move towards the border fence with Israel from Khan Yunis in the southern Gaza Strip on October 7, 2023.
Palestinians inspect an ambulance hit by an Israeli strike
Palestinians inspect an ambulance hit by an Israeli strike, after Hamas gunmen launched a surprise attack against Israel, in the southern Gaza Strip, October 7, 2023.
Rocket barrages launched toward Israel from Gaza
Smoke rises following Israeli strikes in Gaza, October 7, 2023.
Rockets are fired from Gaza toward Israel
A rocket is fired from Gaza toward Israel, in Gaza, October 7, 2023.
Smoke and flames billow after Israeli forces struck a high-rise tower in Gaza City
Smoke and flames billow after Israeli forces struck a high-rise tower in Gaza City, October 7, 2023.
Search and rescue efforts continue among rubbles of destroyed buildings after Israeli attacks in Gaza City,
Search and rescue efforts continue among rubbles of destroyed buildings after Israeli attacks in Gaza City, Gaza on October 07, 2023.
A man carries a crying child in front of a building destroyed in an Israeli air strike in Gaza City
A man carries a crying child as he walks in front of a building destroyed in an Israeli air strike in Gaza City on October 7, 2023.
—CNBC's Adam Jeffery contributed to this article.
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