(AGI) Donetsk, Oct 1 - Ten civilians died in attacks inUkraine's eastern city of Donetsk on Wednesday, casting doubton a ceasefire agreed between the Ukrainian government and thepro-Russian rebels in September. A shell landed near a schoolon the first day of class, killing four people and injuringanother eight. Six more people were killed when another shellhit a public minibus, the pro-Kiev regional authorities said,blaming pro-Russian rebels. (AGI) . .