WICHITA, Kan. (AP) — Police in Wichita are investigating following four suspected drug overdose deaths in the city over a nine-day period this month.

The deaths occurred beginning July 5, police said in a news release, and in each case, evidence of crack cocaine use was found.

A 38-year-old woman was the first to die on July 5 at a motel, police said, followed by a 48-year-old woman on July 11. The next day, police found a 56-year-old man dead of a suspected overdose, and on Tuesday, a 67-year-old man likely overdosed at another Wichita motel and died, police said.

Police did not give the name...