F1 Australian GP: Lewis Hamilton tops the chart, Force India's Nico Hulkenberg 2nd in first practice
The defending champion continues to set the pace after topping the free practice session as well.
Australian Daniel Ricciardo in his Red Bull finished fourth.
Fernando Alonso of team McLaren had some problems with his car and finished in the seventh place.
Toro Rosso's Carlos Sainz spent most of the session in the garage because of problems with the fuel tank and failed to record a timed lap.
The first practice session saw some rain and lots of tire changes.