Aberdeen beat Ross County 1-0 in Dingwall to make it six wins in a row and move five points clear of Hearts in the race for third place in the cinch Premiership.
Luis 'Duk' Lopes grabbed the only goal after 16 minutes and the Dons held on despite having Graeme Shinnie sent off in stoppage time.
Queen's Park are now level on points with cinch Championship leaders Dundee after a 1-0 win over Hamilton Accies at Ochilview thanks to a 74th-minute goal from Grant Savoury.