Türkiye's President Recep Tayyip Erdogan vows to launch ground invasion of northern SyriaTürkiye's President Recep Tayyip Erdogan has vowed to order a land invasion of northern Syria targeting Kurdish groups, amid years-long border violence and repeated Turkish incursions.Mr Erdogan said the new military offensive, planned to take place "at the most convenient time for us" would target the regions of Tel Rifaat, Manbij and Kobani, which is also known by its Arabic name Ayn Al Arab.He added: "If Türkiye attacks any region, the war will spread to all regions … and everyone will be hurt by that."Air strike hits area near camp housing wives, children of IS militantsAlexander Lavrentyev, the Russian presidential envoy in Syria, said Türkiye should "show a certain restraint" in order to prevent an escalation in Syria and expressed hope "it will be possible to convince our Turkish partners to refrain from excessive use of force on Syrian territory".Mr Abdi called on Moscow and Damascus, as well as the US-led coalition fighting against IS in Syria, to take a stronger stance to prevent a Turkish ground invasion, warning such an action could harm attempts to combat a resurgence of IS."