1 United States and Israeli strikes 7

1.1 What reasons has the US given for the strikes? 7

1.2 Uncertain potential for new talks 10

1.3 Israeli Government statements 12

1.4 What have the US and Israel targeted in Iran? 13

2 How have Iran and its allies responded? 15

2.1 Iranian counter-strikes 15

2.2 How has the Arab Gulf responded? 18

2.3 The Strait of Hormuz and oil and gas supplies 19

Response: Sanctions and oil reserves 24

2.4 Actions of Iran-backed armed groups 26

Situation in Gaza 27

Renewed Israel-Hezbollah conflict in Lebanon 27

Houthis in Yemen 29

Pro-Iran militias in Iraq 30

3 Death of Supreme Leader Ali Khamenei 32

3.1 Successor appointed 32

3.2 Situation within Iran 34

4 UK and international response 35

4.1 UN Security Council meeting and members 35

4.2 UK Government: Statements 38

4.3 UK Government: Military actions and bases 40

4.4 Iranian state activity in the UK 45

4.5 UK Parliament: Debate and response 45