Dozens of families have contacted ITV London over the treatment of their loved ones at Basildon Hospital.
The hospital is one of 14 across the country currently under investigation, because of higher than expected death rates.
One of the families claiming the death of their relative following treatment at Basildon Hospital could have been prevented is Lorraine Linder's.
Lorraine's family claim her death was preventable, she was diagnosed with lung cancer, the tumour spread to her spine and she died within weeks.
More top news
It reportedly threatened attacks on planes "flying from Heathrow to the US" across the July 4 US Independence Day holiday weekend.
More than 50 firefighters were called in the early hours of this morning after a car ploughed through a shop window and burst into flames.
A poll of Britain's largest trade union, seen by ITV News, indicates more than half of those surveyed think the Labour leader should quit.