Leader of the RMT Bob Crow said the tube strike will go ahead after talks between London Underground bosses and the union failed to reach an agreement over pensions.
He said: "The action next week remains on and it is the management's intransigence that is responsible for the disruption travellers can expect."
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Showers in the north, perhaps turning heavy at times but becoming drier in the south towards the afternoon.
Police have stepped up their search for Younes Abouyaaqoub, believed to be at the centre of the investigation into the Las Ramblas attack.
The proportion of adults in families owning more than one property has surged, while the number of those with no property wealth also grew.