beirut iran military chief staff visit frontline position near syrian city aleppo military news outlet run lebanese group hezbollah report friday visit underline tehran deep military role syria general mohammad baqeri visit position number iranian officer accord report accompany photos show baqeri look map peer binoculars neighbor israel express deep concern iran role syria iranian fighters iran-backed group hezbollah play major role fight support president bashar al-assad baqeri meet assad thursday visit set joint military strategy syrian state media report baqeri warn israel breach syrian airspace territory pledge increase cooperation syria military fight israel sunni jihadist militants israeli prime minister benjamin netanyahu say iran strengthen foothold syria warn israel would whatever take protect security help russian air power iran-backed group include hezbollah play major part syrian government campaign recapture eastern district aleppo city syrian rebel last year rural areas south west city still insurgent hand iranian military chief visit frontline near aleppo