Around 1,000 Metropolitan Police officers have been deployed in London.
Nikos Michaloliakos, 67, is allowed to serve the remainder of his sentence from home.
Ellison's wealth surged to $393bn (£290bn) on Wednesday morning, surpassing Musk's $385bn (£284bn).
Faye Hall was arrested with Peter, 80, and Barbie Reynolds, 76, on 1 February.
Erika Kirk vows to fight on against 'evil-doers' in her first statement since her husband's death.
Tyler Robinson was detained after a 33-hour manhunt that ended after his father persuaded him to surrender.
Former Supreme Court chief justice Sushila Karki is sworn in after a deal with protest leaders.
Authorities said a "family member" was involved in turning him in.
A new video showing the Kirk shooting suspect fleeing the scene was released by the FBI.
