Mars, Walmart, Wonga: Everything that matters this morning

Mars pulls advertising from YouTube over brand safety issues
Mars has pulled its advertising from YouTube after one of its brands’ ads was shown at the start of a video about drill rap music.
According to The Sun, the ad for Starbucks sweets was shown before a video by group Moscow17. Drill music often features gang members rapping about violence; the video in this instance spoke about the group being “at war” with the police.
Mars says it is “unacceptable” for its