"Christmas will be a difficult time without April among us," her parents said in a statement released today.
"We are coming to terms with the fact that out baby girl has been taken from us."
"We realise this is a big news story, but to us it is our lives," they added.
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Police and emergency services are attending the scene.
Rebel-held east remains at risk while the pumping station supplying the western part of the city is once again in operation.
Police chief says the video can now be release without 'adversely impacting' the investigation.