Eight suspects charged with involvement in the beating death of a 22-year-old American tourist on a Greek island were granted brief delays in court appearances Tuesday to allow their lawyers to prepare their cases, while authorities have arrested a ninth man.

Bakari Henderson, of Austin, Texas, was beaten to death early Friday outside a bar in Zakynthos.

Greek officials are still investigating the exact cause of the brawl.

WATCH | Friends discuss memories of Bakari Henderson

The hearings for six Serbs, a British citizen of Serb origin and a Greek were postponed for Wednesday and Thursday.