Activist Greta Thunberg was detained by police Tue. after protesting the expansion of a coal mine in Lützerath, Germany.

According to CNN, Thunberg was arrested alongside several other activists participating in a sit-in near the mining town.

Thunberg joined thousands of protestors in Lützerath over the weekend: on Sat., she spoke at a rally as the main speaker.

Thunberg was also arrested on Sun. after German police evicted 300+ activists from the site. (CNN)

What's the big picture? Energy giant RWE has long sought to demolish Lützerath to make way for a coal mine expansion. (CNN)

According to CNN, most of the town's residents were evicted in 2017 for the expansion of the mine, Garzweiler II. (CNN)

Last Oct., Germany reached an agreement with RWE, formally paving the way for the town's demolition. (CNN)

The deal sparked backlash from climate activists: thousands descended on the town in Jan. to protest the expansion. (CNN)

In response, the German government last weekend deployed 1K+ police officers to the town to evict protestors. (CNN)

Thunberg was released from detention on Tue. night. She resumed her protest of the expansion on Wed.. (CNN)

Thunberg tweeted Wed.: "Yesterday I was part of a group that peacefully protested the expansion of a coal mine."

Thunberg: "We were kettled by police and then detained...Climate protection is not a crime."