After nearly nine months of oftentimes agonizing protests [1], the Army Corps of Engineers halted the construction [2] of the Dakota Access Pipeline near the Standing Rock Sioux Tribe's reservation and the crucial Lake Oahe. As an alternative, the Army will begin looking at other possible routes for the pipeline.

Following the announcement, protesters erupted into a tearful celebration that included music and fireworks. In a statement, Standing Rock Sioux Tribal Chairman Dave Archambault II said [3], "Throughout this effort I have stressed the importance of acting at all times in a peaceful and prayerful manner — and that is how we will respond to this decision." Adding, "With this decision we look forward to being able to return home and spend the Winter with our families and loved ones, many of whom have sacrificed as well."

Look ahead for pictures of the emotional and historical event.

Activists play music at the reservation's Oceti Sakowin Camp.

Several activists hold hands and cheer.

Two protesters share an emotional moment following the big announcement.

Several activists smile and celebrate their victory.

An emotional woman raises her hands in celebration.

Another activist wearing a "I Stand With Standing Rock" hat raises a fist in the air.

A protester raises his arms.

Two protesters in a crowd share a kiss.

Fireworks fill the sky above the Oceti Sakowin Camp.