Darryl Meggatt's first goal for Alloa helps inflict a narrow defeat on promotion-chasing Hamilton Academical.
Dundee beat Hamilton to move to within three points of the Scottish Championship leaders.
Championship leaders Hamilton score three goals in five second-half minutes to win 4-2 at Cowdenbeath.
Mickael Antoine-Curier scores the winner as leaders Hamilton extend their unbeaten run away to Queen of the South.
Fixtures, Results & Competitions
Substitute Derek Lyle scores the only goal of the game as Queen of the South beat Hamilton in the Scottish Cup.
Hamilton Academical move four points clear at the top of the Scottish Championship with victory over Falkirk.
Hamilton's lead at the top of the Championship is reduced to one point as they are held at home by 10-man Raith Rovers.
Championship leaders Hamilton are held at bottom of the table Morton, with Michal Habai on target for the hosts.
Rangers host League One rivals Airdrieonians as the Scottish Cup third-round draw pairs four Championship sides.
James Keatings scores twice as Scottish Championship leaders Hamilton return to winning ways against Livingston.
Alloa end Hamilton's unbeaten run at the top of the Scottish Championship with a win at Recreation Park.
Morton stun Celtic in extra-time to reach the last eight and there are wins for Inverness CT, St Johnstone and Hibs.
Stevie May's goal books St Johnstone a place in the Scottish League Cup quarter-finals at the expense of Hamilton.
Ziggy Gordon's strike helps Hamilton maintain their unbeaten start to the season with a 1-0 victory over Cowdenbeath.
League-leaders Hamilton are held for the first time this season as their clash with Dundee ends goalless.
Alloa's Recreation Park offers the cheapest day out in the Scottish Championship, according to BBC Sport's Price of Football.
Hamilton vow to invest a cash windfall from James McCarthy's sale to Everton in developing more young players.
Hamilton Accies stay top of the Scottish Championship with a 100% record as they come from behind to beat Falkirk.
Queen of the South's reward for beating Scottish League Cup holders St Mirren is an away tie against Hearts.
A header from Mickael Antoine-Curier gives Hamilton a League Cup win over Kilmarnock at Rugby Park.