Nikos Maziotis, the wanted mastermind of the Revolutionary Struggle terrorist group was arrested a while ago at the intersection of Athena and Ermou streets while attempting to rob an ALPHA BANK store at Mitropoleos street.

The arrest was eventful as it coincided with a Hellenic Police operation, codenamed Thiseas, that was underway at the centre of Athens, to clamp down on crime, unlicensed trade, illegal immigration, drug selling and other criminal.

When the bank employees activated the robbery alarm system, Hellenic Police DIAS team rushed to the spot and exchanged gunfire with the robbers.

Maziotis reportedly threw a grenade at the police while trying to escape and 29 year old police officer Nikos Panagiotopoulos was injured by the grenade fragments.

A strong police force rushed to the point and arrested Maziotis who was wearing a wig.

According to the latest reports, wanted terrorist Nikos Maziotis was seriously injured and he was rushed to Evangelismos hospital.

The same sources say that, during the exchange of gunfire, a police officer involved in the operation was also injured and was rushed to 401 Military Hospital.

Ermou and Mitropoleos streets have been blocked off by the police.