New Delhi, Dec. 26 -- Some Kenyans on Wednesday protested after roaming elephants killed four people over the past week in what experts describe as human-wildlife conflict driven by scarcity of vegetation.

One elephant believed to have killed two people was shot dead in Kajiado County. The Kenya Wildlife Service urged calm and restraint.

"Preliminary observations indicate that the elephant involved had injuries consistent with spears and arrows, pointing to a possible prior confrontation," the service said in a statement.

Residents have reported an increase in the number of elephants roaming the Ole Tepesi area of Kajiado County, which experts attribute to competition for resources. Kenya has had below-average rainfall during the ongoi...