Angelina Jolie and kids questioned over Brad Pitt airplane incident

Angelina Jolie and her children have been questioned by the FBI over Brad Pitt’s alleged altercation with 15-year-old son Maddox.

The 41-year-old actress – who filed for divorce from her 52-year-old husband last month – was interviewed by two FBI agents in order to receive further information about the alleged altercation that took place on a private jet. The couple’s six children – Maddox, Pax, 12, Zahara, 11, Shiloh, 10, and eight-year-old twins Knox and Vivienne – were also questioned.

‘Entertainment Tonight’ reports the visit was not part of a formal investigation, as officials are still in the "fact-finding" stage to determine whether or not there is enough evidence to warrant an investigation.

A rep said: "[The FBI is] continuing to gather facts and will evaluate whether an investigation at the federal level will be pursued."

Earlier this month, it was reported that the FBI would not be opening an investigation because "Maddox suffered no injuries and some witnesses on the jet say Brad’s contact with the boy was inadvertent", and officials claimed the case should never have been referred to them by the Los Angeles Police Department.

Now, however, FBI officials have spent three hours in the ‘Maleficent’ star’s Malibu home, asking both Angelina and her children to walk through what happened step-by-step during that day on the plane."

The agents also want to find out what happened after the jet landed in Minnesota, as that would determine whether the incident took place in US air space – which would make it an FBI matter – or if the case should be dealt with by Minnesota authorities.

ET Online also confirmed that Angelina and her children were co-operative with the two FBI agents.

Meanwhile, it was previously reported that the ‘By The Sea’ actress didn’t want Brad to be prosecuted for the allegations, and said she wouldn’t co-operate if a case against the ‘Fury’ star was made.