A number of flights to UK airports have been diverted after "smoke smells" were reported on board.
EasyJet said four of its flights were diverted due to "atmospheric circumstances".
A British Airways spokeswoman said the carrier has had "some reports of smells on board" but the aircraft continued to their destinations.
Liverpool John Lennon Airport stated that "atmospheric conditions" are believed to be causing flights to divert.
An easyJet spokeswoman said:
EasyJet can confirm that four of its flights flying in the west of the UK have reported smoke smells in the cockpit today, believed to be linked to atmospheric circumstances due to storm Ophelia.
"Two flights returned shortly after take-off and two flights requested an expedited landing as a precaution only.
"We understand other airlines have experienced similar events and we continue to liaise with the Met Office as to the likely cause.
"The safety and welfare of our passengers and crew is easyJet's highest priority. We would like to apologise for any inconvenience experienced by the diversions."
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main carriageway from j18 still closed - also the slip j18 traffic can get back on the m6 at j17
The M6 Southbound in Cheshire is closed because of an oil spillage caused by an overturned lorry.
The carriageway is closed betweeen J18 (A54 Middlewich/Holmes Chapel) and J17 (A534 Sandbach/Crewe)
Work to recover the overturned lorry is underway.
Traffic is advised to follow the Solid Square diversion - leaving then M6 at J18 and then take the A54, A50, A534 to re-join the M6 at J17.
Police are asking people to be patient when trying to contact them as they are receiving a high number of calls.
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The M6 Southbound carriageway is now open following a crane fire on the hard shoulder of the northbound carriageway.
The M6 Northbound at J36 is still closed, but traffic is being cleared by one lane. Junctions 37 to 39 Northbound are now open.
The M6 Northbound carriageway at J36 is expected to be kept closed for several hours for recovery work. Diversions are in place.
Police on the Isle of Man have issued warnings of standing water following heavy rainfall this morning.
The majority of roads are affected and making driving conditions difficult.
Motorists are asked to watch out for Department of Infrastructure workers clearing drains and roads in certain areas.
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Tonight's sailings between Heysham and the Isle of Man are subject to disruption or cancellation due to deteriorating weather conditions.
The MET Office has confirmed gale force winds will increase for a time tonight.
A final decision about the 19:45 and 02:15 sailings will be made by the Steam Packet Company at 17:30 this evening via the company's website.
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