(Bloomberg) -- The leader of Hezbollah, the Iran-backed militia, said it would escalate its fight against Israel following a worsening spate of attacks between the two sides this week.Most Read from BloombergAlexey Navalny, Jailed Activist Who Defied Putin, Dies at 47Bond Yields Climb as PPI Curbs Dovish Fed Wagers: Markets WrapHawaii Rightly Rejects Supreme Court’s Gun NonsenseApple Readies AI Tool to Rival Microsoft’s GitHub CopilotPutin Steps Into US Race to Back ‘Old-Style’ Biden Over TrumpH