(CNN) The UK's main opposition party says it has experienced a "sophisticated and large-scale cyber attack" on its digital platforms.

In a statement to CNN, a Labour Party spokesperson said the attack had "failed" because of the party's "robust security systems."

"The integrity of all our platforms was maintained and we are confident that no data breach occurred," the spokesperson said, adding that the matter has been reported to the National Cyber Security Centre, a UK government agency.

"Our security procedures have slowed down some of our campaign activities, but these were restored this morning and we are back up to full speed," they added.

the Labour Party is aiming to oust Boris Johnson's Conservatives from power. The UK is holding a snap general election on December 12 andthe Labour Party is aiming to oust Boris Johnson's Conservatives from power.

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