Anti-government rebels in northern Syria have launched a sudden offensive in an effort to capitalize on Israel’s efforts to weaken Iran’s regional proxies.

They took advantage of Israel’s war with Hezbollah and they have seen the Iranian presence is weaker,' says  analyst

Syrian rebels in the last opposition enclave in northern Syria launched on Wednesday a wide-scale military operation against the Syrian army and seized territory in the first such advance in years, army and rebel sources said.