By Q Radio News
Police are appealing for video footage - following reports of a crush at a St Patrick's Day party - in County Tyrone.
Three teens - two boys and a girl - died at the Greenvale Hotel in Cookstown last night.
The two boys aged 16 and 17 and a girl aged 17 had been waiting to go to a disco at the Greenvale Hotel:
A number of other people have been taken to hospital following an incident at the venue.

Family Centre which was established in the nearby Glenavon Hotel.

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Meanwhile,Denise Mullen is a local councillor and describes the scene when she got there:
The Northern Ireland Ambulance Service says it was called to the hotel around 9.30pm after reports of people feeling unwell.
It is understood a large crowd of young people were in attendance.
In a Facebook post at 22:41 GMT, the PSNI asked parents to collect their children from the hotel immediately.
Here's local MLA Patsy McGlone:
Cookstown tragedy update. PSNI: “We can confirm there are 2 fatalities and 2 people are being treated in hospital - 1 is critical and 1 is in a stable condition. Family members of all 4 people have been informed. Our thoughts are with everyone involved. Investigation continues” pic.twitter.com/5jYerRlqkO
— Q Radio News (@qnewsdesk) March 18, 2019
Councillor Denise Mullen friend of families involved in Cookstown tragedy appeals for people not to share images on social media. pic.twitter.com/zudWPIQCEt
— Q Radio News (@qnewsdesk) March 18, 2019
Lord Wm McCrea - Cookstown community united in grief... pic.twitter.com/oSZvBhXMtU
— Q Radio News (@qnewsdesk) March 18, 2019
Cookstown tragedy. @patsymcglone - “we feel deeply, deeply for the families who have lost a child...” pic.twitter.com/pM5pYuEWQc
— Q Radio News (@qnewsdesk) March 18, 2019
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