London (CNN) Identical triplets have been jailed for firearms offenses, after police were able to establish that all three brothers were involved in the crimes.

Ricky and Ralston Gabriel, 28, both semi-professional footballers, were jailed for 14 years by a court in London on Friday after being found guilty of conspiracy to possess a firearm with intent to endanger life.

The third triplet, Reiss, was found guilty of this and three further offenses and jailed for 18 years.

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The north London brothers were the last of eight men to be charged in relation to the seizure of three guns -- an Uzi submachine gun, a self-loading pistol and a loaded revolver -- and ammunition by armed police in April 2017.

After four men were convicted in the case last year, the police carried out further tests on the pistol and discovered DNA linked to the triplets, the Metropolitan Police said in a statement.

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