Two Adelaide men have been charged after police raids linked to an investigation into “ideologically motivated violent extremism” allegedly uncovered a bomb and extremist material.

The charges came after the leader of a prominent Australian neo-Nazi group said about 15 of its Adelaide members were raided early on Wednesday morning.

Police charged a 28-year-old man from Surrey Downs with possession of extremist material and a 32-year-old man from Munno Para with possession of an improvised explosive device and instructions for manufacturing explosives or dangerous weapons.

Both men were granted bail ahead of Magistrates Court hearings in the coming months.

In a video posted to social messaging app Telegram and seen by 9News on Wednesday, the neo-Nazi group’s leader said police seized devices and “tried to take any sort of political material that they could” in what he described as a “full harassment operation”.

He said the raids would not “slow us down” and that there were “a lot of fun activities being planned in Adelaide in the coming weeks”.

In a statement provided to Business Insider in response to questions about the neo-Nazi’s comments, SA Police said officers searched “a number of domestic residences” across Adelaide in an investigation related to “people associated with ideologically motivated violent extremism”.

“The investigation remains ongoing and there has been no known threat to any person or the public,” police said.

Police would not comment on any link between the raids and the neo-Nazi group.

The 28-year-old is due to face Adelaide Magistrates Court on June 22 and the 32-year-old is set to face the Elizabeth Magistrates Court on May 26.