Prime Minister Sheikh Hasina left Dhaka on Thursday morning for Nagoya, Japan on a four-day official visit to attend the G7 Outreach programme where she will take leadership role in four basic subjects.A special flight of Biman Bangladesh Airlines carrying the prime minister and her entourage departed from Hazrat Shahjalal International Airport around 10:10am.The premier will discuss bilateral and international issues with several world leaders during the meeting.