Al-Qard al-Hassan is a Hezbollah unit that's used to pay operatives and help buy arms, a senior Israeli intelligence official said.

Israel has struck targets of the Lebanon-based Hezbollah’s financial arm in Beirut’s southern suburb. (AP Video shot by Fadi Tawil)

Hundreds of Beirut residents fled their homes late on Sunday after Israel said it was preparing attacks on sites linked to the financial operations of Hezbollah and told people to leave those areas of Lebanon's capital immediately.