Officials from the militant group pointed the finger at Israel in what local media called the “biggest security breach” it has faced.
The devices blew up in the countries in what appeared to be a sophisticated, remote attack.
There was no immediate comment from the Israel military.
Videos and photos on social media appeared to show wounded men sitting or lying on floors and others being rushed to hospitals.
A Hezbollah official said that the new brand of handheld pagers used by the group first heated up, then exploded, killing at least two of its members and wounding others.
CCTV footage was shared online that reported to show blasts in shops.
Lebanon’s health minister, Firas Abiad, said at least nine people were killed, including an eight-year-old …