Three motorists died yesterday on the A66 following two road accidents.
Cumbria Police have described the accidents as 'tragic'.
"It's absolutely tragic. Four deaths is significant and it'll have a devastating effect on four families. It's unbelievable to happen in one day."
More top news
The Borders Railway is to be officially opened by the Queen... on the day she becomes Britain's longest serving monarch.
Christian Pay's family say he was "loved by all" and had "the heart of a lion". The 18-year-old died after falling ill at the festival.
The first of seven races will begin at 5:45pm, and 76 horses are competing. The UK's top female jockey is amongst the competitors.