Complex sentence: Following the 2003 invasion of Iraq, American intelligence agencies reported that aides of Saddam Hussein managed to acquire Belarusian passports while in Syria, but that it was unlikely that Belarus would offer a safe haven for Saddam and his two sons.
Split into simpler sentences: Following the 2003 invasion of Iraq, American intelligence agencies issued a report that announced aides of Saddam Hussein managed to acquire Belarusian passports while in Syria. The same report mentioned that it was unlikely that Belarus would offer a safe haven for Saddam and his two sons.