Original sentence: Many Croatian officials as well the foreign ones have testified about this case.Some of were directly involved in the meeting (Hrvoje Šarinić,Dušan Bilandžić ) and some of them were retelling the stories they have heard elsewhere (Paddy Ashdown, Stipe Mesić, Ante Marković....)
Edited sentence: Croat politicians who worked with Franjo Tuđman such as counselors Dušan Bilandžić and Hrvoje Šarinić, and former prime minister of Croatia Stjepan Mesić have confirmed the story.Furthermore, American and British politicians such as US ambassador to Yugoslavia Warren Zimmermann,  ambassador  Herbert Okun (a US veteran diplomat), and lord Paddy Ashdown also confirmed the story.Many other high-ranking Croatian politicians also testified in ICTY confirming the story, such as former prime minister of SFRY Ante Marković