Malaysia Airlines abruptly put a temporary suspension on all checked baggage on its flights to Europe, citing strong head winds and safety concerns.

In an initial statement issued on Jan. 5, Malaysia Airlines said it was only able to carry hand luggage on services from Kuala Lumpur to Europe. Passengers can still check in luggage, but it will be sent “later,” on a separate flight “as soon as the situation permits.”

“In the interest of safety, Malaysia Airlines currently operates a long route to Europe via Egypt airspace, which combined with strong head winds, is delaying flights and limiting the airline’s baggage capacity. This longer flight path consumes more jet fuel and for safety reasons, Malaysia Airlines has had to impose a temporary limitation on checked-in baggage,” Malaysia Airlines said.

The restriction initially affected the carrier’s Amsterdam, London and Paris services, although normal baggage allowances have since been restored on its Airbus A380-operated London route. “Baggage limitations, however, still apply for flights to Amsterdam and Paris on Jan. 5-6, 2016,” the airline said.

The airline did not explain why there were no longer any concerns for London flights, while Amsterdam and Paris flights were still affected by the ban, even though the distances between those airports is negligible on those long-haul routes.

No other airlines in Asia or Europe are reporting weight-and-fuel concerns related to headwinds and Malaysia is the only airline to issue a baggage restriction.

Under Malaysia Airlines’ temporary policy change, which took effect on Jan. 5, economy passengers have been limited to a single 7 kg item of hand luggage and business- and first-class passengers can carry two items not exceeding 7 kg each.

Malaysia Airlines cautioned that travelers transferring from other oneworld member airlines could have their baggage offloaded.

The airline did not give any timings for dropping the temporary limits, but said it would “continue to assess the changing situation over the region and update passengers when operations are back to normal.”

Boeing did not comment on the situation. A British Airways spokeswoman told its flights to and from Kuala Lumpur are operating normally. Air France deferred comment to its sister airline KLM, which told: “KLM operates to and from Kuala Lumpur as scheduled and without any restrictions.”

A oneworld spokesman told: “Malaysia Airlines has been keeping oneworld and its partner airlines briefed on the exceptional circumstances behind this temporary arrangement covering its flights from Kuala Lumpur to Amsterdam and Paris. While this may be inconvenient for some passengers, the over-riding factor is to ensure safe operations.”