The findings of an international investigation are published in Nature.

These Palestinians died so there can be an international investigation into why they were killed.

In response to the call for an independent, international investigation of the incident.

There was no reference to alleged war crimes or an international investigation, as called for by human rights groups.

An immediate international investigation is needed to determine who was behind this attack.

It estimated that 300 to 500 people were killed and renewed its call for an international investigation.

Two international investigations of the disaster have already been completed.

And that makes him the ideal player in an international investigation.

"We support an international investigation into this incident," he added.

There must be an international investigation into the way the oil companies operate and the president's role in them.