allegation
US /ˌæl.əˈɡeɪ.ʃən/
UK /ˌæl.əˈɡeɪ.ʃən/

1.
allégation, accusation
a claim or assertion that someone has done something illegal or wrong, typically made without proof
:
•
The police are investigating allegations of fraud.
La police enquête sur des allégations de fraude.
•
He denied all allegations against him.
Il a nié toutes les allégations contre lui.