The murder of Jean McConville was one of the most notorious incidents of the Northern Ireland Troubles.
The 37-year-old mother of 10 was abducted by a gang at her home in Belfast in December 1972 after being accused of passing informationto the British Army.
She became known as one of the 'Disappeared' - a group of people who were killed and buried in secret graves.
In 2003, her remains were found on Shelling Hill beach, Co Louth.
More top news
Officials said Younes Abouyaaqoub was killed in the town of Subirats, 30 miles west of Barcelona.
As Big Ben falls silent for four years of renovation work, why not test your knowledge of the iconic London landmark?
Female football fans were asked to show their bras to stewards during security searches, a supporters' group has said.