[Algerie Presse Service] Algiers -- The partial lockdown measures from midnight to 04:00 on the morning of the next day have been extended in 19 provinces for a period of 21 days, as of Saturday, according to the decision taken by Prime Minister Abdelaziz Djerad, in implementation of the guidelines of President of the Republic Abdelmadjid Tebboune, as part of the fight against the spread of the Coronavirus (Covid-19), the Prime Minister's Office said Thursday in a statement.