A scary moment for Sauber's Marcus Ericsson as his DRS fails and he ends up in a barrel roll right at the start of second practice - but the Swede walks away. For more F1® videos, visit http://www.Formula1.com Like F1® on Facebook: https://www.facebook.com/Formula1/ Follow F1® on Twitter: http://www.twitter.com/F1 Follow F1® on Instagram: http://www.instagram.com/F1 #F1
