In his speech to business leaders, David Cameron is expected to acknowledge that we're living in "perilous economic times".
"Turn on the TV news and you see the return of a crisis that never really went away: Greece on the brink…the survival of the Euro in question," he is expected to add.
"Faced with this, I have a clear task: to keep Britain safe.
"Not to take the easy course - but the right course."
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Police have confirmed a man stabbed in St Helens on Sunday has died in hospital.
Workers on Arriva Rail North are to stage another 24-hour strike on Friday in a row about driver-only trains.
Two "despicable" men who posed as good Samaritans before stealing from a man as he had a stroke are being hunted by police.