, June 13 Prime Minister Sheikh Hasina left Dhaka for Geneva, Switzerland on Tuesday morning to attend the two-day "World of Work Summit: Social Justice for All" to be held in the Swiss city on June 14-15.A commercial flight of Biman Bangladesh Airlines carrying the prime minister departed Hazrat Shahjalal International Airport at 10.01 am. The flight is scheduled to land at Geneva International airport at 5:30 pm local time (9:30 pm.