President, First Lady coming to Tucson

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TUCSON, Ariz. -- The University of Arizona says it will host President Obama and First Lady Michelle Obama at a memorial service in McKale Center on Wednesday evening.

The service is called "Together We Thrive: Tucson and America".  UA President Robert Shelton issued the invitation to the President to attend.

The event will be free and open to the public.  The gates to McKale Center will open at 4 p.m.  Authorities say they expect a full house.  People will be admitted as long as their are seats.  The program will begin at 6 p.m.

Prior to the doors opening, the University is inviting people to the mall area where they will be able to write messages on a "chain" that will be presented later that night.

The University has announced that the first day of the Spring Semester will be delayed until Thursday.

In addition to the President and Dr. Shelton, state and federal officials and members of the Associated Students of the UA will speak.  The event will include a Native American blessing, a moment of silence, a poetry reading and the presentation of a chain featuring messages by members of the public.

Authorities say security will be tight for the event.

The University says the event is being held to lift the spirits of those who have been personally affected by the tragic shooting on Saturday where six people died, and 14 others, including Representative Gabrielle Giffords, were injured.