The female friend said that she could tell during the conversation that something was wrong, Mos said.

CNN: Prosecutor: Crime reporter's info may help Holloway case

Mos said that on Tuesday he will appeal the judge's decision barring Van der Sloot's arrest and said that a three-judge panel will have eight days to rule on it.

CNN: Van der Sloot on video: No sleep lost over Holloway's dumped body

The second witness statement came from a teacher who said that another one of the suspects exhibited "very peculiar behavior" the day after Holloway's disappearance, including making or receiving a lot of telephone calls, Mos said.

CNN: Prosecutor: Crime reporter's info may help Holloway case

Fertilizer producer Mosaic (MOS) said late yesterday it plans to reduce phosphate production, because prices have fallen to levels that are unsustainable.

FORBES: Daily Wrap

Actors in discussion to star in the film include Stephen Dorff, Steve Coogan and Mos Def, he said.

CNN: Nick Broomfield: Tanzania is the next movie hotspot