Complete the following sentence: Morlu has also competed in track and field, representing his birth country Liberia. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ <unk> <unk> <unk> <unk>
2000 Olympic Games, 2001 World Championships and the 2003 World Championships.