Helicopter was banking right as I came over Chelsea Bridge and v low. Battersea Heliport other side of the river so seemed v odd.
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Police chief says the video can now be release without 'adversely impacting' the investigation.
The news was announced on Instagram by director Spike Lee who described him as a "dear friend" and "a great actor".
In a statement the pair said they remained "great friends" and "will continue to support each other".