28 JAN 21 Red Fort will remain closed for visitors till January 31, the Archaeological Survey of India (ASI) said in an order on Wednesday. While the order did not mention a reason behind the closure, it is believed that this time will be utilised to ascertain any damage that might have been caused to the iconic monument when it was overrun by protesters on January 26.In its order, the ASI also mentioned that the Red Fort was closed from January 19 to January 22 owing to a bird-flu alert in the national capital. The monument was also closed for the public between January 22 and January 26 owing to Republic Day celebrations.