Bulgarian police have detained Igor Grechushkin, the Russian businessman whose ship carried the ammonium nitrate that triggered the 2020 Beirut port explosion, local media reported on Tuesday.

Explosions occurred in Beirut and various locations across Lebanon in what appears to be a second wave of detonations involving electronic devices, according to Hezbollah officials and state media. They reported that walkie-talkies and solar equipment were targeted, following the previous day's incident where hundreds of pagers exploded, News.Az reports citing foreign media.

Hundreds of Hezbollah fighters have been injured after portable pagers used by the group exploded in Beirut's Dahiyeh neighborhood, according to an unnamed security source, News.Az reports citing Reuters.

Mojtaba Amani, the ambassador of the Islamic Republic of Iran to Beirut was injured in a pager blast in Beirut, News.Az reports citing Mehr.