Canada's Fraser Aird joins Falkirk for the rest of the season after agreeing to terminate his contract with Rangers.
Mikael Lustig has signed a contract extension at Celtic.
Mikael Lustig has signed a two-year contract extension at Celtic.
Ross County have signed Jason Naismith from St Mirren and brought in former Motherwell and Coventry winger Jim O'Brien.
Ross County sign St Mirren full-back Jason Naismith for an undisclosed fee, while Shrewsbury winger Jim O'Brien joins on loan.
Celtic defender Mikael Lustig signs a contract extension to keep him at the club until May 2019.
Aberdeen manager Derek McInnes has confirmed Cardiff City have made a second bid for winger Jonny Hayes.
Aberdeen have knocked back a second offer from Cardiff City for winger Jonny Hayes.