Borussia Dortmund are chasing Aston Villa striker Andi Weimann.

The People says Borussia ­Dortmund know they have to react in the transfer ­market, especially with Polish hitman Robert Lewandowski - a Manchester United ­target - ready to quit the club.

Weimann has been on Dortmund's radar all ­season and with just 12 months left on his Villa ­contract the ­cash-conscious Germans are keen on ­striking a ­bargain deal this summer.