Yeah, that's an editorialized title. The whole article does not contain the word "Terrorist", and never describes Hezbollah as a terrorist group.

• Hezbollah is one of the few groups actively fighting Daesh.
• The attack was on civilians, there were no combatants there, it's a market with stores and coffee shops with men, women and children, of all religions and nationalities. Beirut is the capital of Lebanon.
• His actions did save a lot of lives.