The death toll from Hong Kong's worst fire in decades rose to 159 after all affected housing blocks were searched, police said Wednesday, cautioning that the figure may not be final.

The blaze last week engulfed Wang Fuk Court in the city's northern Tai Po district, becoming the world's deadliest residential building fire since 1980.

Police said the number of dead may still be revised as officers had found "suspected human bones" that require forensic testing.

Mourners continued to stream to a small park near the charred buildings on Wednesday, placing hundreds of bouquets and notes of remembrance for the victims -- the youngest of whom was a one-year-old baby, and the oldest 97.

"I hope people can come here to lay their grief to rest," said visitor Sarah Lam, adding that the victims s

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