A Polish human rights activist could face jail time after being accused of placing posters near a church that depict Jesus and the Virgin Mary surrounded by rainbow halos.

Elbieta Podlena, 51, was arrested Monday on suspicion of offending religious beliefs, Amnesty International confirmed in a press release .

Prosecutors claimed Podlena desecrated the icon by distributing the altered images. The posters were placed on walls, garbage bins and mobile toilets near Plocks St. Dominiks church in April, according to The Associated Press .

St. Dominiks church was featured in local news over Easter because it had put on an anti-LGBTQ exhibition, Amnesty Internationals Poland director, Draginja Nadazdin, told HuffPost. The Easter exhibition linked the words LGBT and gender to labels such as deviation and aggression.

Activists responded by promoting inclusion, and brought LGBTQ symbols to that church, Nadazdin wrote in an email. However, the police ... deemed the LGBTQ display of the rainbow posters a criminal offense.

Polish police confronted Podlena this week after she returned to Poland from an advocacy trip with Amnesty International to Belgium and the Netherlands. The police found copies of the posters in Podlenas house during a raid of her Warsaw apartment, Amnesty International said. The organization said it isnt aware of any evidence that confirms Podlenas involvement in this specific action.

The police reportedly confiscated Podlenas laptop, phone and memory cards. The activist claims that police requested security footage from the building where she lives.

Authorities then took Podlena to the city of Plock, about 70 miles from Warsaw, and detained her there for several hours, according to Amnesty International. Police have not yet explained why the activist was transferred to another city, Nadazdin said.

Overall, the treatment of Podlesna raises serious concerns over harassment of a peaceful protester and the disproportionality of the treatment, she said.

Podlena insists the actions were not an attack on religion.

How can you attack anyone using a picture, lets be serious, the activist said in an interview with Polish TV channel TVN24 , according to a translation by the AP .