Her car was found on Jan. 3 in Bethnal Green. Officials are trying to determine how it ended up there.
On Thursday, Blake’s sister Ava said she was convinced her sister’s boyfriend was responsible and called on him to face justice. Ava said her sister was planning to leave Simpson-Kent, the father of her two children.
Neighbour Sandra Metzgen, 44, told the Mirror: “The kids used to wave to me from the window to their room.”
“They were always in the house and never came out.”
Blake played Frankie Pierre on the long-running BBC One soap opera between 1996 and 1997.
Independent Police Complaints Commission Associate Commissioner Tom Milsom stated, "The loss of Sian and her two young boys, Zachary and Amon, is a tragedy and my thoughts are with their family during this very difficult time.
“The IPCC will be conducting a thorough investigation into how police responded to the concerns for their welfare and their disappearance.”
