Prince Harry has reportedly gone into "panic mode" after his grandmother was taken ill last week, and has been trying to contact the Queen to see how she is on a regular basis from his home in California.Members of the Royal Family have been sharing their support for the Monarch by reportedly "taking turns" to visit her at Windsor Castle and keeping her company through phone calls, while she recovers from her illness.A royal source has claimed that Harry and Meghan Markle have sent a bunch of flowers to Her Majesty while Harry has been left feeling "helpless" in Montecito.A source close to the royals told celebrity outlet Us Weekly: "The royals went into a state of panic when they heard the Queen was admitted to hospital and are taking.