According to BA, these flights operated last night.
BA174 (JFK) - Arrived in (GLA)
BA176 (JFK) - Arrived in (PIK)
BA184 (EWR) - Arrived in (PIK)
There ain't much politicians can do, other than help pick up the pieces afterwards.
However, if travel "windows" appear, maybe they should be advising EU citizens not to travel by air in the next month other than to return to home base. Thus allowing maximum seats available for people getting home & not increasing the potential number of strandees and also giving people the opportunity to make alternative arrangements.
At the moment some carries are only working a few hours ahead, when clearly the forecasts are not good for some time to come.