Passport Office staff are on strike over staff shortages which they say have led to a serious backlog in processing applications this year.
Workers set up picket lines outside the passport office in Victoria, central London, during a strike over staff shortages which they say have led to a serious backlog in processing applications this year.
As many as 30,000 people have been caught up in the backlog as the number of passport applications topped the highest ever last month in excess of 775,000.
More top news
Temperatures will reach around 28 Celsius (82F) at their highest.
A minute's silence will be observed at 11am on Thursday in remembrance of those who lost their lives in the Manchester Arena attack.
New research has found those who consumed two cups had a 35% reduced risk, and for those who drank five cups, the risk halved.