The 17-year-old male arrested after two girls were stabbed is believed to be their brother.
One of the victims is thought to be aged 16 and police now believe the other victim is 10-years-old.
A woman in her 40's was also stabbed. The condition of the three is said to be 'serious'.
A baby discovered at the house was unharmed.
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After a very cold start, it should be a dry and fine day with sunny spells.
Brighter with some sunny spells. Mostly dry.
The "Beast from the East 2" blew into the region overnight, with some places seeing several centimetres of the white stuff.