Olivia Uffindell died from injuries when a gust of wind blew her buggy in front of a delivery van, her family said.
This map shows the location of the incident - Woburn Court in Croydon, south London.
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Two ambulances crashed leaving one driver dead and three people seriously injured.
A scandal-hit NHS trust where a teenager drowned in the bath is still failing to protect patients from risk of harm, a watchdog has found.
New research suggests metal-on-metal hip replacements implanted since 2006 are more prone to failure and they "fail in a much nastier way".