BAGHDAD, Sha'ban 3, 1433, Jun 23, 2012, SPA - Syria's downing of a Turkish plane marks a serious escalation of the Syrian conflict, Iraq's Foreign Minister Hoshiyar Zebari said on Saturday. "The shooting down yesterday of a Turkish aircraft over Syrian territorial waters - this is a serious escalation and indication that the conflict would have far (a) bigger impact than (on) Syria itself," he told a televised news conference with his Swedish, Bulgarian and Polish counterparts in Baghdad. --SPA 15:20 LOCAL TIME 12:20 GMT www.spa.gov.sa/1010273