    Sentence 1: Kyi , 5 U.N. envoy says ; as Japan adds  to growing international pressure by saying it will halt  Its hefty economic iid unless Suu Kyi ts freed...    Sentence 2: JAPAN added to growing’ international  pressure on Burma yesterday , threatening to halt its  hefty economic aid unless: the: military goverment  released pro-democracy leader Aung San Suu Kyi .  *  °