"We will not accept the equation whereby a U.N. member state (Lebanon) is home to a militia in possession of 40,000 rockets but also parliament members and ministers," he added during a meeting Tuesday with municipal leaders in northern Israel.

"The Lebanese government is responsible for any clash rather than the Hezbollah, and all of Lebanon's systems will be held accountable," he warned.

He noted that the Lebanese government was "sophisticatedly set up to resemble a normal state, while Hizbullah enjoys veto power and the freedom to act."

"They entered the 2006 war with 14,000 rockets and missiles … today they possess more than 40,000 missiles with larger warheads," Barak argued, adding that Resolution 1701 has failed to put an end to Hizbullah's arming process.

"There's clearly coordination with Iran and there will be attempts to infringe the balance of power on Lebanese soil and in Lebanon's skies," he said. "Should we become convinced that the balance has been compromised, we will be forced to consider our moves."