Top stories at a glance...
Coletti wins while Frijns and Nasr clinch double podium in Spain
Sauber F1 test and reserve driver resists Felipe Nasr to the line
British racer to return to GP2 alongside Robin Frijns at Hilmer
American racer takes up Caterham seat for rest of 2013 in driver reshuffle
Stefano Coletti leapt into control of the Sunday sprint race in Spain and stayed there, despite an impressive showing from Saturday's top two Robin Frijns and Felipe Nasr in close pursuit.
Results from the sprint race at the Circuit de Catalunya in Barcelona, which saw a flying start from Stefano Coletti and another strong outing for Robin Frijns.
Tio Ellinas and Aaro Vainio were the two race winners at the first weekend of the 2013 GP3 Series at the Circuit de Catalunya in Barcelona, Spain.
A well-judged and perfectly composed drive by Sauber F1 test driver Robin Frijns secured a maiden GP2 Series win for new team Hilmer Motorsports.
Robin Frijns took victory for Hilmer Motorsport in the feature race at the Circuit de Catalunya in Barcelona, Spain on Saturday afternoon. (Updated)
DAMS team mates Marcus Ericsson and Stéphane Richelmi will start from the front row for the Barcelona feature race on Saturday after seeing off Felipe Nasr and Sam Bird.
Felipe Nasr topped the times in the dry Friday morning practice session at the Circuit de Catalunya in Spain.
Britain's Jon Lancaster is to make a return to the GP2 Series this weekend at Barcelona, taking over from Pal Varhaug at Hilmer Motorsports. 
A restructuring at Caterham across its GP2 and F1 teams means that China's Ma Qing Hua appears to be without a seat, replaced in the feeder series by Alexander Rossi. - mrfill
A restructuring at Caterham across its GP2 and F1 teams means that China's Ma Qing Hua appears to be without a seat, replaced in the feeder series by Alexander Rossi.