Shrewsbury goalkeeper Chris Weale fouled JP McGovern in the area on 68 minutes and Miller put United back on terms.
The game ended 2-2 but there was worse news for Carlisle with winger Matty Robson limping out of the game after only nine minutes with a suspected back problem
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The town's historical market will showcase it's transformation this weekend, as it relaunches it's twice-weekly market with 30 new stalls.
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The proposals have implications for the future of maternity services, community hospitals and emergency care across the county.