But then the rain threatened .
Porto sped into the lead from pole position and by lap five a four rider group now headed by Alex de Angelis ( Aprilia ) with Porto , de Puniet and Pedrosa had broken away from the field .
Then the rain threatened .
Porto sped into the lead from pole position and by lap five a four rider group now headed by Alex de Angelis ( Aprilia ) with Porto , de Puniet and Pedrosa had broken away from the field .