Hezbollah said on Wednesday that senior military commander Fuad Shukr was inside a south Beirut building hit by Israel the previous day but that his fate remained unknown. The strike, which was followed by another, hours later, which killed Hamas political leader Ismail Haniyeh in Tehran, triggered fears the war in Gaza could escalate into a region-wide conflict. The Israeli military said its Tuesday strike had “eliminated” Shukr, a top Hezbollah commander it blamed for carrying out a weekend rocket attack on the annexed Golan Heights that killed 12 children in a Druze Arab town. Hezbollah sai…