The Met Office has issued a pair of yellow warnings as fresh snow is set to bring more travel chaos. The warnings will cover Northern Ireland and Scotland and will come into effect from midnight tonight, lasting until 10am and 3pm in both nations respectively. Residents living on higher ground can expect up to 20cm of the white stuff, while those on low ground are predicted to see 5cm. Roads and railways will be affected, with journeys on all modes of public transport expected to take longer. Locals have been urged to take caution as untreated roads, pavements and cycle paths could cause slips…