Northern Israel faces threats from Hezbollah and the danger that a miscalculation could result in war on the Golan.
Meanwhile, The Syrian army declared a ceasefire in several areas around Damascus and the northwestern province of Idlib beginning on Friday evening.
The convoy was reported to be transferring weapons in the Damascus area.
The paper describes the level of sophistication the tunnels are being built with, noting that they include underground ventilation systems which prevents moisture from damaging equipment.
Israel is also carefully watching the Golan Heights, which Israel acquired in 1967 and later annexed, along the border with Syria.
The assassination of Mustafa Badreddine is a blow to Hezbollah's already low morale and is an example of the group's vulnerability.
Hezbollah is not prepared for a major response that might lead to war, expert tells Post.
If past cases are anything to go by, Hezbollah is doing everything it can to avoid a direct conflict with Israel.
Former national security adviser to Netanyahu, Yaakov Amidror, said Badreddine's killing was good news for Israel but stopped short of saying Israel was responsible.