Nov 28 (Reuters) - A bomb caused a Russian train crash that killed dozens of people and injured 100 more, officials said on Saturday, stoking fears of an upsurge in attacks in Russia's heartland.

(Reuters) - Following is a timeline of some of the major attacks on Russian soil since the beginning of the first Chechen war in 1994 to the present day: 1994-1996 - Tens of thousands of people are ...