At his weekly audience the Pope will be use a question-and-answer format for his first Twitter session, focusing on answering questions about faith in 140 characters.

BBC: Vatican unveils Pope's Twitter account @pontifex

Ecclestone, who has criticised a new Saturday qualifying format which has become more a question of strategy than speed, had no problem with Friday's session that saw Australian Mark Webber surprisingly set the fastest time in his Jaguar.

BBC: Tyre rules set for rethink