Police in Britain confirmed on Monday (June 24) that they had arrested a man on suspicion of conspiracy to murder a British family of Iraqi origin who were killed in a high-profile murder in southern France last year.

"The 54-year-old man was detained at an address in Chessington, Surrey at around 7:30am and is currently in police custody where he will be interviewed," police said in a statement. There were no further details of the suspect.

Husband and wife Saad and Ikbal Al-Hilli, also from Surrey, were killed in September 2012, along with Ikbal's mother, Suhaila al-Allaf, prompting a joint murder investigation between British and French authorities.

A French cyclist, Sylvain Mollier, was also found dead near the scene.

The killings happened on a remote mountain road near the French town of Annecy, close to the Swiss and Italian borders.

The pair's four-year old daughter survived the attack, spending several hours cowered among the bodies of her dead parents and grandmother.

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READ: https://www.ibtimes.co.uk/french-alps-shooting-54-year-old-man-482417