Spanish police investigating link between gun found during Gilligan arrest and Guerin murder

The arrest was made as part of an operation to dismantle an international drugs ring 

The arrested convicted drug dealer John Gilligan in Alicante, Spain. Spanish police made the arrest yesterday after an international operation.

Six people including convicted drug dealer John Gilligan were arrested yesterday by Spanish police in an international operation to break up the sale and supply of drugs in Ireland and the UK. 

Police in Spain arrested John Gilligan yesterday at a premises in Alicante and proceeded to search the building.