Angelina Jolie had warm words for her estranged husband Brad Pitt and is optimistic about the future of their family, the Hollywood star said in an interview Tuesday.

Angelina Jolie Pitt and Brad Pitt, once Hollywood's most celebrated couple, have reached an agreement to keep details of their high-profile divorce and child custody dispute private, US media reported on Tuesday.

Brad Pitt has accused Angelina Jolie of compromising their children's privacy and is asking a judge to seal details about the youngsters emerging from the couple's divorce, court papers showed Thursday.

Brad Pitt has been cleared after a probe into allegations he mistreated one of his children in a mid-air altercation, the FBI said on Tuesday.

Brad Pitt has been cleared after an investigation into whether he behaved abusively toward one of his children, US media has reported.

The FBI says it is gathering information before deciding whether to launch a federal probe into an alleged incident on a plane carrying Brad Pitt and his children.

The Los Angeles Police Department denied on Thursday reports that Brad Pitt was under investigation for child abuse and said authorities had received no such allegations against the actor.

Brad Pitt is under investigation by US authorities after being accused of physically and verbally abusing his children during an angry outburst, TMZ reported Thursday.

American actor Brad Pitt has said he is saddened that his estarged wife Angelina Jolie has filed for divorce, spelling the end for "Brangelina," one of Hollywood's highest-profile celebrity couples.