Students and staff at a college in Crawley, south-east England, were moved to safety after reports of gunshots on Monday.
Two staff members suffered minor injuries, which police said were not gunshot wounds.
Police said they detained a man, 18, and seized a firearm and a knife after the incident at Crawley College in West Sussex. The man remains in custody.
Chief Supt Howard Hodges said officers were in contact with counter-terrorism police and “all lines of inquiry are open".
Armed police were sent to the college after authorities received reports of gunshots.
The college tweeted that it was awaiting further information from police but that it was not aware of any serious injuries.
A large police presence remained near the college and the public has been urged to stay away.
COMPANY PROFILE
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What is a Ponzi scheme?
A fraudulent investment operation where the scammer provides fake reports and generates returns for old investors through money paid by new investors, rather than through ligitimate business activities.
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Towering concerns
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Tests 11; Runs 573; 100s 0; 50s 5; Avg 27.38; Best 94
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China |
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Visit Abu Dhabi culinary team's top Emirati restaurants in Abu Dhabi
Yadoo’s House Restaurant & Cafe
For the karak and Yoodo's house platter with includes eggs, balaleet, khamir and chebab bread.
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Sinopharm vaccine explained
The Sinopharm vaccine was created using techniques that have been around for decades.
“This is an inactivated vaccine. Simply what it means is that the virus is taken, cultured and inactivated," said Dr Nawal Al Kaabi, chair of the UAE's National Covid-19 Clinical Management Committee.
"What is left is a skeleton of the virus so it looks like a virus, but it is not live."
This is then injected into the body.
"The body will recognise it and form antibodies but because it is inactive, we will need more than one dose. The body will not develop immunity with one dose," she said.
"You have to be exposed more than one time to what we call the antigen."
The vaccine should offer protection for at least months, but no one knows how long beyond that.
Dr Al Kaabi said early vaccine volunteers in China were given shots last spring and still have antibodies today.
“Since it is inactivated, it will not last forever," she said.
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Engine: 3.4-litre twin-turbo V6 plus supplementary electric motor
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Torque: 790Nm from 2,000-3,600rpm
Transmission: 10-speed auto
Fuel consumption: 11.7L/100km
On sale: Now
Price: From Dh590,000
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Profile of Foodics
Founders: Ahmad AlZaini and Mosab AlOthmani
Based: Riyadh
Sector: Software
Employees: 150
Amount raised: $8m through seed and Series A - Series B raise ongoing
Funders: Raed Advanced Investment Co, Al-Riyadh Al Walid Investment Co, 500 Falcons, SWM Investment, AlShoaibah SPV, Faith Capital, Technology Investments Co, Savour Holding, Future Resources, Derayah Custody Co.