'Goal is to overthrow Assad regime,' says HTS as rebels advance offensive in Syria

[Collection]Islamist rebels are advancing on Damascus, claiming to have begun encircling the Syrian capital. Government forces deny retreating, but rebels have seized Daraa, "the cradle of the revolution." Homs is also under threat, prompting Hezbollah to send reinforcements. The rebel alliance, led by Hayat Tahrir al-Sham (HTS), aims to overthrow Assad's government.