Steve Cooper from Boston's 7 News, Fox News' Sharman Sacchetti and WCVB's Sean Kelly have tweeted:
He turned back to see his family and smiled a bit
Tsarnaev just turned his head to smirk at family.
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A cool weekend ahead but looking dry for many with sunny spells.
Firefighters have warned residents in London that an ongoing blaze could spark the explosion of a gas cylinder.
From church bells to pageants on the Thames, festivities are prepared for the moment the Queen overtakes Victoria.