>> reporter: kristy aleto, wjz eyewitness news. >> and police say they have no suspects or motive in the case. >>> the family of a new york city man, pushed in front of a new york subway train is speaking out. police say the suspect, nayim davis, argued with key suk hahn before this. davis said he was fighting with hahn and had no intention to harm him. >> i just really wish i had one last chance to tell my dad how much i love him. >> our family is grieving now. woo but we want to thank everyone who has reached out to us and offered their help. >> reporter: davis is charged with second-degree intentional murder and is being held without mail. -- bail. >>> kate middle ton is back home after acute morning sickness. the duchess of cambridge is discharged in the hospital. >> reporter: the duchess of cambridge smiled, as she made her first public appearance since the royal family announced she is pregnant. she and her husband, prince william, left the hospital where kate spent three nights for severe morning sickness. if the duchess was still feeling symptoms, she didn't show it. she told