A PCS Union spokesman said:
The issues of the last few days has brought to the public's attention what we have said for a long time, that ministers can't cut staff and expect to run the same service - not just on passport controls at Heathrow, but right across UKBA.
Clearly, the cuts already made have had a major impact and further cuts planned every year until 2015 will make the situation even worse.
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The Rail Minister said it was not a matter of crowd control but passengers "trying to get home after a long day at work".
It's the first time we'll really notice the change in seasons.
Remaining largely dry through the night.