A loud blast has been heard in the southern suburbs of Beirut, a stronghold of Lebanese armed group Hezbollah, according to a Reuters witness.
The city has been on alert since a strike on a football pitch in the Israeli-occupied Golan Heights that killed a dozen children on Saturday.
Israel has blamed Hezbollah but the group denied being responsible for the attack.
This breaking news story is being updated and more details will be published shortly.
Please refresh the page for the fullest version.
You can receive breaking news alerts on a smartphone or tablet via the Sky News app. You can also follow @SkyNews on X or subscribe to our YouTube channel to keep up with the latest news.
