officers in okinawa arrested justin castellanos on sunday. he's suspected of assaulting a japanese woman at a hotel. police say the 24-year-old sailor is denying the allegations. he's stationed at the u.s. marine corp camp schwab in nago, okinawa. spokesperson john kirby spoke about the case. >> the united states navy takes these matters very, very seriously, and we'll do a thorough job of getting to the bottom of it. >> defense department spokesperson jeff davis said the pentagon will cooperate fully with police in okinawa leading the investigation. >>> japan's central bank officials metaphor the first time since surprising the world with a negative-interest-rate strategy. gene otani has that story and the rest of the business headlines. >> bank of japan continue their kweeft to drive inflation up to 2% they've agreed not to expand their stimulus. the board members said japan's economy has recovered moderately but exports have been sluggish due to a slow down in emerging economies. they won apply negative interest rates to money reserved fun

police arrested navy sailor justin castellano for allegedly taking this woman to his hotel room and rapinghe 24-year-old denies the accusation is has not begun formally charged with any crime. about half of the 50,000 u.s. troops in japan are based on the island. released surveillance video shows attack with a pair of scissors at orlando theme park. victim is still recovering tonight. check it out. it happened new year's day at universal orlando. prosecutors say it shows the victim running from the attacker police say at tack kerr stabbed the other man in the head and the neck with the scissors. seriously injuring him. security guards caught at tack kerr. investigators say both men were contractors work at the park but the attacker was fired just before the stabbing much he's now charged with attempted murder. >>> a maryland police officer with local ties killed during what is being described as an ambush style attack. what we now know about the people in custody for the killing. >> a new robot make its debut. what this one can do that you may have trouble doing yourself. >> kathy? >> hmm.