Woman trapped at top of London high-rise unaccounted for after recording desperate plea for help

Disturbing new video of the London high-rise blaze has emerged in which the screams of children trapped in the inferno can be heard screaming for help.

A woman trapped on the top floor of the burning building posted a video showing intense smoke as she pleads for assistance. The mother of two also opened her door to fellow residents, who join her in the apartment.

Read: Baby Miraculously Caught After Being Dropped From Window During Horrific High-Rise Blaze

She is among the many residents still unaccounted for.

Meanwhile, an emotional Adele attended a vigil for victims of the London inferno Wednesday night.

The singer was photographed and filmed hugging mourners.

The "Hello" singer was praised on social media for the appearance, which was apparently unannounced.

Read: 'I Saw Families Screaming': Witnesses Recount London High-Rise Inferno as Casualties Mount

"The fact Adele went to Grenfell Tower to try & help & didn't make any fuss or court any publicity around it shows how down to earth she is," one fan wrote.

"The fact that Adele has gone to Grenfell tower and not said a word about it just proves how amazingly sincere she is," said another.

Singer Rita Ora also appeared in the area on Wednesday afternoon to lay flowers at a makeshift memorial for the victims.

Watch: Arsonist Accidentally Catches Fire, Causing More Damage to Himself Than Business