London police face questions about protest death

A week after a Londoner's sudden death at a rally he apparently never wanted to be part of, his strange case is raising difficult questions for the capital's police.

Ian Tomlinson, a burly 47-year-old newspaper vendor, was trying to make his way home after work April 1 when he, seemingly inadvertently, got caught up in the sporadic clashes between police and protesters drawn by the Group of 20 economic summit.

Initial autopsy reports indicated he died of a heart attack, and police said the protesters had hampered their attempt to revive him. The inference was that the police had nothing to do with his demise.

But new footage being examined by the …