Authorities in Satkhira on Saturday imposed a week-long lockdown in the district, following a sudden spike in Covid-19 cases. The decision has been taken to break the chain of coronavirus transmission after the positivity rate in the district was found to be 53 percent, officials said on Saturday. On Friday, two women, who were undergoing treatment at Satkhira Medical College and Hospital for Covid, succumbed to the virus, while three more persons with corona symptoms also died the same day. READ: 6 Noakhali unions set for 7-day special lockdown at dawn According to the administration officials, more Covid cases have been detected in three upazilas -- Sadar, Kalaroa and Kaliganj -- bordering India. The infection is on the rise in other upazilas too. During the week-long lockdown, all modes of public transport will stay off the roads. However, the movement restrictions won't apply on vehicles providing emergency services. Though kitchen markets will be allowed to operate from 9 am till 12 noon daily, other shops and markets will remain closed. Activities at Satkhira Bhomra Land Port will continue for limited hours, from 8 am to 2 pm, but the shops and markets in the area will remain closed. Covid-19 situation in Bangladesh READ: Lockdown in 7 villages of Chuadanga   Bangladesh on Friday logged 1,887 new cases in 24 hours, after health authorities tested 18,151 samples. The fresh cases has raised the country's total case count to 807,867.  Also, the daily infection rate rose to 10.40% from Thursday's 9.94%, while the mortality rate remained static at 1.58%, according to the Directorate General of Health Services (DGHS). READ: Lockdown extended in Rohingya camps, Teknaf upazila Meanwhile, the country confirmed 34 more deaths during the same period, pushing up the fatality figures to 12,758.