**Question 1:** Who delivered the chilling message to the West regarding Hezbollah's stance?
**Answer:** The message was delivered by Hezbollah's deputy chief during a funeral for a key commander killed in an airstrike.
**Question 2:** What significant event prompted the gathering of thousands in Beirut?
**Answer:** Thousands gathered in Beirut for the funeral of a key commander who was killed in an airstrike on Friday.
**Question 3:** What did Hezbollah's deputy chief indicate about the group's future actions?
**Answer:** He indicated that Hezbollah had entered a "new phase" in its battle with Israel.
**Question 4:** What was the context of the airstrike that killed the key commander?
**Answer:** The airstrike was part of the ongoing conflict between Hezbollah and Israel, which has seen escalating tensions and military actions.
**Question 5:** How did the public respond to the funeral of the key commander?
**Answer:** The public response was significant, with thousands attending the funeral, indicating strong support for Hezbollah and its leadership.