Technical problems began this morning at 9am. By around 11:30 Heathrow said staff had restored partial check-in for hold baggage. By 11:45 all check-in services were returning to normal.
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Officers believe the three assaults are linked and are appealing for information about the suspect.
Nine addresses in Lewisham were searched and 13 arrests made early on Tuesday morning in a planned, intelligence-led operation.
The Purple Rain singer died in April 2016