A handout picture released by the official Syrian Arab News Agency (SANA) on December 30, 2020, shows the scene of an attack targeting a bus transporting regime soldiers as they travelled home for holidays in the eastern province of Deir Ezzor. - Islamic State group jihadists killed 37 soldiers when they ambushed the bus today in one of the deadliest attacks since the fall of their "caliphate" last year, the Syrian Observatory for Human Rights said. The official news agency SANA reported that a "terrorist attack" on a bus killed "25 citizens" and wounded 13. (Photo by - / SANA / AFP) / == RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / HO / SANA" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS ==