Facebook's WhatsApp taking legal action against Brazil election spammers

A 3D printed Whatsapp logo is seen in front of a displayed Whatsapp logo in this illustration September 14, 2017. REUTERS/Dado Ruvic

SAN FRANCISCO (Reuters) - Facebook Inc's WhatsApp messaging application business said on Friday it was "taking immediate legal action" against companies that are sending spam messages ahead of the Brazilian presidential election.

Campaign propaganda has flooded social media in Brazil ahead of an Oct. 28 run-off vote in the presidential election.

(Reporting By Joe Menn in San Francisco; Writing by Peter Henderson; Editing by Toni Reinhold)