Merseyside Police have arrested a 39-year-old man on suspicion of conspiracy to commit murder after a pregnant woman was stabbed.
The 28-year-old victim was attacked outside Lister Primary School on Green Lane, Liverpool, yesterday afternoon.
A 39-year-woman who was also arrested remains in police custody.
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Saffie Roussos, believed to be eight years old, was described as a "beautiful little girl".
At least six people from the region are missing after the terror attack at the Ariana Grande concert in Manchester on Monday.
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