Police say the operation targeted the network of notorious late Sicilian mafia boss Matteo Messina Denaro.
Neither side seems interested in a return to all-out conflict, despite the latest exchange of strikes.
Beirut had until now largely been spared even as both Israel and Hezbollah accused each other of breaking last month's ceasefire.
The European Commission says the Chinese-owned online retailer failed to take account of risks from baby toys and faulty chargers sold on its platform.
The suspect, a 31-year-old Swiss man, has been arrested, police say, as areas around the station are cordoned off.
The case centres on whether the former columnist lied about the funding she received for her civil lawsuit against the US president.
Search-and-rescue operations are ongoing, with the number of casualties yet to be confirmed.
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