Hezbollah head vows vengeance over killing of Hamas leader in Iran
![Hezbollah head vows vengeance over killing of Hamas leader in Iran](https://media-cldnry.s-nbcnews.com/image/upload/t_fit_1500w/rockcms/2024-08/240801-hassan-nasrallah-al-1139-f1c1f2.jpg)
The head of Hezbollah vowed vengeance Thursday for the assassination of Hamas political leader Ismail Haniyeh, saying in a speech that Israel is unaware of the red lines it has crossed.