Lebanon's leadership warned that the risk of further violence and escalation is extremely high following two days of attacks involving exploding communications devices across the country.
The next 48 hours, ministers told CNBC Thursday, will be particularly dangerous.
Hezbollah called the act an "Israeli aggression"; Israel, meanwhile, has not commented on the blasts.
"This will be a really, very, very dangerous ... 48 hours that this country will witness to see how the reaction will be."
Tens of thousands of people on both the Lebanese and Israeli sides of the border have been evacuated from their homes.
Persons:
Mojtaba Amani, Amin Salam, CNBC's Dan Murphy
Organizations:
CNBC, Hezbollah, Palestinian, Hamas, Lebanese
Locations:
Iran, Lebanese, Israel, Lebanon, Gaza