This caught my eye - no pun intended -as they are my favourite garden visitors. A pair live in a tree two gardens from me and visit daily as they know I leave food for them separately from the feeders. I can only see them from the kitchen window as if I so much open the back door they are off. They even don't like it if my scrawny geriatric cat gets too close so I cannot imagine the specie attacking people.
http://www.telegraph.co.uk/news/2017/10/19/magpies-attack-australians-suffer-soaring-injuries-swooping/