Agartala, July 13 (ANI): Former Foreign Minister of Bangladesh, Dipu Moni strongly said that deaths on the borders and use of lethal weapons by border guards are unacceptable. She added that the killings at the border are a very serious concern for Bangladesh and the country had taken this up with the Indian authorities very strongly. Moni added that the border killings fortunately have gone down but should go down to zero. Indian Foreign Minister Sushma Swaraj on June 26 held talks with Bangladesh counterpart Abul Hassan Mahmood Ali and Prime Minister Sheikh Hasina in Dhaka, to bolster strategic partnership.