WENZHOU, China (Reuters) - China sacked three senior railway officials Sunday after a collision between two high-speed trains killed at least 35 people and raised new questions about the safety of the fast-growing rail network. (http://feeds.feedburner.com/~ff/reuters/topNews?d=yIl2AUoC8zA) (http://feeds.feedburner.com/~ff/reuters/topNews?i=MgX-vUjamkM:zBxVtsT5mYE:V_sGLiPBpWU) (http://feeds.feedburner.com/~ff/reuters/topNews?i=MgX-vUjamkM:zBxVtsT5mYE:-BTjWOF_DHI) (http://feeds.feedburner.com/~r/reuters/topNews/~4/MgX-vUjamkM)