The path of thousands of exploding devices targeting Hezbollah remains murky, highlighting what experts say are risks in electronics supply chains.

Israel’s attack on Hezbollah’s communication devices raised expectations of a decisive shift in their war of attrition. Instead, the fighting has returned to a standoff.

Israeli forces have carried out a deadly targeted airstrike on Hezbollah in Beirut, Lebanon following days of electronic device explosions around the country.