A lawyer for the police said he was worried about "sensationalising" the inquest with a live demonstration of the bag and offers a video clip by an expert as alternative.
Police reveal "problems in the DNA analysis" of mixed profile found on Williams' hand - found the contamination was from scientist at scene.
The error was spotted by a scientist who's evidence helped convict the killers of Stephen Lawrence in January. The coroner wants to hear from her.
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London Underground claims unions refused to discuss a revised pay offer.
Lutfur Rahman was also ordered to disclose detail of income and expenditure.
10 years on, George Psaradakis has given his first interview, recalling the events of July 7 2005.