Two years after the controversial hunting death of Cecil the Lion, authorities at the Zimbabwe national park where he lived are still struggling to protect the wildlife there.

In the latest incident, a group of poachers was caught on Thursday killing elephants and removing their tusks at the Hwange National Park. One of the poachers—out on bail while appealing an illegal hunting conviction—was shot dead by park patrol, while another was injured and captured over the weekend after fleeing the scene, according to updates from the nonprofit conservation group Bhejane Trust, which monitors the park.

Two elephants were killed, and two more poachers remained at large. The poachers weren't named.

“There is some controversy on the ‘shoot to kill’ policy,” Bhejane