June 3, 2020, 11:22 PMJune 3, 2020, 11:23 PM UPDATED: June 3, 2020, 11:23 PM Will oppose any plan to open schools until Covid-19 vaccine is developed: Rana June 3, 2020, 11:22 PMJune 3, 2020, 11:23 PM UPDATED: June 3, 2020, 11:23 PM