The day itself is "etched very clearly" in her mind - she was on her way to vote in the Commons when she was confronted with Conservative Minister Penny Mordaunt running towards her in high heels shouting "get back, someone's been shot" - it was Khalid Masood, shot dead by police in New Palace Yard after ploughing into pedestrians on Westminster Bridge before fatally stabbing unarmed officer Keith Palmer.
Mr Aves said: "I only think of the people who passed away, five people, one of them being what we call our family, the police officer Keith Palmer".
"A vivid image I have is returning home and finding my son at the top of the stairs and he was in tears ... he could not understand why someone was wielding a knife in a place he'd visited many times", he told BBC Breakfast.
"All I could offer was that there are some bad people in the world, but there are a lot more good people and it's the good people who win".
Sports minister Tracey Crouch, in her reply, said: "PC Keith Palmer was an avid Charlton Athletic fan and it was only right that the club actually respected him by turning his usual red seat in The Valley white with his number written on it, so his memory will always live on at the football club".
"There's some big challenges across the world in our way of life", he said.
Exactly a year since the Westminster attack, a senior police officer has admitted that terrorists were able to perpetrate the murderous incident because the United Kingdom was a "less hostile place" for extremists at the time.
Palmer was praised by a friend and colleague, PC Shaun Cartwright.
"But what it also showed was how we respond is all about the best of humanity, it's about people reaching out to strangers, people caring for each other, people coming together in solidarity".
Senior officers will attend private memorial services to mark the first anniversary of the atrocity.
Police officers and others are expected to observe a minute's silence today on the anniversary of the attack that killed 5 people and injured 50.
Speaker John Bercow confirmed the act of commemoration will take place at around 9.33am before the Commons starts its business for the day.
With heads bowed, MPs from different parties stood side-by-side along the green benches to pay their respects ahead of digital, culture, media and sport questions. "They will not be forgotten".
The hashtag #LondonUnited will be projected on to the Houses of Parliament on Thursday evening. The book will become part of a 3D installation in City Hall that will be open to the public until 19 June - the anniversary of the Finsbury Park attack.
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