Two arrested for questioning in Co Derry carbon monoxide deaths

Police in the North have arrested two men for questioning in connection with the deaths of two teenagers from carbon monoxide poisoning in Derry last year.
18 year olds Aaron Davidson and Neil McFerron were found at a holiday home Castlerock in August.
Another friend was taken to hospital but survived.
PSNI Detectives investigating the case have arrested a 40- and 49-year-old in connection with the deaths.