Israel has carried out what its military called a “targeted strike” on Beirut. It offered no further immediate details.

The strike in Beirut extended a string of Israeli attacks that have injured thousands and left U.S. and regional officials worried about a wider conflict.

Israel is attempting a risky strategy, increasing the intensity of its attacks in an attempt to force Hezbollah to back down, while raising the chances of an aggressive response that devolves into a land war.