The Falcons left it extremely late to seal a 23-20 success over Montpellier, Callum Chick crossing nearly nine minutes after the clock went into the red.
Ruan Pienaar had kicked Montpellier into the lead after trailing at half-time, but a 39-phase move opened the door for Chick and he duly accepted to move Newcastle to the top of the table.
Glasgow Warriors’ win over Cardiff Blues was much more straightforward, Adam Hastings top scoring as the Scottish side eased to a 29-12 victory in the Welsh capital.
Hastings, DTH van der Merwe and Ali Price all crossed in the opening 40 minutes and, although Cardiff tried to fight their way back, Glasgow proved too strong.
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