A 32-year-old Lawrence man was arrested Thursday in connection with the weekend arson of a ceremonial teepee at Haskell Nations University in Lawrence. Ryan Dekayouma Simpson was booked into the Douglas County Jail on suspicion of arson and trespassing, according to a news release from the City of Lawrence-Douglas County Fire Medical. The crime occurred early Saturday as fire crews were sent at 4:35 a.m. to the Haskell campus regarding a teepee fire. The fire destroyed the teepee.