Hezbollah fired rockets toward Israel, with the Israeli military saying it intercepted some rockets while others fell into open areas without any damage or casualties.
Hezbollah leader Sayyed Hassan Nasrallah said during a speech Wednesday that the militant group will target new areas in Israel if Israeli forces continue killing civilians.
Israeli strikes Tuesday killed five Syrian civilians in southern Lebanon.
The cross-border clashes between Israel and Hezbollah have raised concerns about an enlarged conflict in the region with Israeli forces also battling Hamas in the Gaza Strip.