Celtic thrashed Motherwell 5-0 at Parkhead on Wednesday night to reach the quarter-finals of the Betfred Cup.
Tom Rogic and Moussa Dembele both scored twice and Scott Sinclair was also on target as Brendan Rodgers' side progressed to the last eight.
Aberdeen overcame Ayr United 2-1 at Somerset Park - a Daryll Meggatt o.g and a Niall McGinn goal had the Dons in command but Alan Forrest pulled one back.
St Johnstone defeated Hearts 3-2 in a thriller at McDiarmid Park. Danny Swanson's early opener was overturned by Callum Paterson and Jamie Walker (penalty) just before half-time. Swanson equalised from the spot with 15 minutes left and fellow former Tynecastle player Brad McKay won it for Tommy Wright’s men.