BEIRUT (Reuters) – Lebanon’s armed Hezbollah group issued a video on Sunday showing vessels involved in the Israeli offshore oil and gas industry and warned against “playing with time”, underlining its threat of military escalation amid maritime border demarcation talks. Lebanon and Israel are locked in U.S.-mediated negotiations to delineate their shared maritime border that would help determine which oil and gas resources belong to which country and pave the way for more exploration. Lebanese officials have said they are optimistic that this round of talks can result in a deal after years of…