Help me identify this tree

[Leobynature]

Does anyone know what this tree is. It has appeared out of nowhere

Rhus typhina

Possibly Rhus (stags horn)?
www.google.com/search?safe=active&client=firefox-b-d&biw=2560&bih=1327&tbm=isch&sa=1&ei=Db69XIHlLpG0Uqe9tYgG&q=stags+horn+&oq=stags+horn+&gs_l=img.3..0i67j0l2j0i30j0i24l2j0i10i24l2j0i24l2.71380.71380..71622...0.0..0.75.75.1......1....1..gws-wiz-img.9MQhfHIOZIU#imgrc=bkxmrfrMxCU3CM:

Thanks

Rhus typhina; actually quite attractive, but a bloody nuisance as it suckers everywhere and you can quickly end up with it popping up everywhere.