The trio said 'Ireland lost six of its sons and daughters during the week in California to a terrible tragedy' and it broke their hearts.
The Dublin band sold out the 80-thousand seat venue for their homecoming gig tonight.
The band dedicated 'If you could see me now' to the memories to the six students who lost their lives.
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Event controller for promoters MCD, Eamon Fox, says the concert was a one of a kind:
