A Border Force spokeswoman said: "We will not compromise border security, but we always aim to keep disruption to a minimum by using our staff flexibly to meet demand.
"Carrying out full checks at airports help us stop threats from terrorists, criminals and others who want to harm the UK, and make sure that only those with the right to enter the UK can do so."
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The tweet said: "Our lionesses go back to being mothers, partners and daughters today, but they have taken on another title - heroes."
The BBC has agreed to pay for TV licences for viewers over the age of 75, the Culture Secretary John Whittingdale has confirmed.
The British Army's first ever female major general said she is "very honoured" by her new role.