President Ram Nath Kovind has expressed grief over the building collapse accident in Mumbai.<br />'' <br />''In a tweet today, the President has said, the loss of lives in a building collapse is tragic.<br />'' <br />''He paid his condolences to the families of those who died in the accident.<br />'' <br />''<span style="color: #222222;">He also prayed for the recovery of the rescued.</span><br />