    Sentenée’ 1: Chechen officials. working for the  Moscow-backed government. are a" frequent.  target for rebéls and tension is running high  ‘dhead of iiext Sunday's presidential election  in wartorn Chechnya. :    Sentence. 2: Officials Jin. Chechnya 's Moscow:  backéd’ government area frequent. target for         rebels, and tension-is running high.ahead of    Sunday _’s ‘presidential election int  ravaged region :