Taoiseach Leo Varadkar has said he is "filled with sadness" over the Cookstown tragedy.
Lauren Bullock (17), Connor Currie (16) and Morgan Barnard (17) died on Sunday night following a crush outside a St Patrick's night disco in the Greenvale Hotel in Co Tyrone.
Several other teenagers were also treated in hospital.
The Fine Gael leader today expressed his shock at the news.
"A celebration turned to horror and cut short young lives," he tweeted.
"Our thoughts are with those lost, their families and the survivors."
Filled with sadness about news from Tyrone. A celebration turned to horror and cut short young lives. Our thoughts are with those lost, their families and the survivors: Teens describe crush outside Tyrone hotel disco (via @thejournal_ie) https://t.co/TavjksXfYL
— Leo Varadkar (@campaignforleo) March 19, 2019
