A male suspect sustained life-threatening injuries in the incident.
"Witnesses told us that the attacker said he belonged to the Islamic State group as he was entering the restaurant, but we can not confirm this", Cologne Police Marshal Klaus Rueschenschmidt said during a news conference.
Local media reported shots being fired inside the station, something which a police spokesperson later denied.
A police spokeswoman said special forces had been called to the scene.
"We also do not rule out a terrorist attack", Brauns said.
Eyewitnesses said around 6:45 a.m. ET a man entered a pharmacy at Breslauer Platz, near the backside of the train station, and reportedly took one person hostage.
'We have indications that one man is holding one woman, but we haven't been able to really get close, ' Schulte said.
They said the ID likely was the suspect's, but police didn't divulge the name on it.
German railroad operator Deutsche Bahn tweeted that some of the station's tracks were shut down temporarily and trains were being canceled or delayed. Ambulances and heavily-armed police were lined up and waiting behind the train station.
Police stormed the pharmacy and captured the hostage-taker.
Officers said the man was injured during the police operation, without giving any further details, and paramedics were seen trying to revive him.
A yellow rain warning covers parts of Scotland, the West Midlands and the north west and is in place until midnight. The warning comes into affect from 5am on Friday lasting throughout the day until 9pm.
The crew experienced about eight Gs as the capsule spun around the trajectory access landing about 275 miles off course. Mr Bridenstine also praised the two crew members and said, 'It's wonderful everyone came home safely.
Meng's wife, who has remained in Lyon with their children according to police sources, was receiving protection, it said. His duties in China would have put him in close proximity to former leaders, some who had fallen afoul of Xi's campaign.
Before the event, Eugenie told ITV, which broadcast the hour-long service in Britain, that she was both excited and a bit on edge. BBC One did not air the wedding of Eugenie and Jack on Friday, although part of it was covered on BBC Two's Victoria Derbyshire.
I hope so, and I do hope you stop and read the pages that give you - both men and women - information that can save your life. About 200 new breast cancer patients are referred to the center annually, according to Aispuro.
Jose Mourinho has revealed how Manchester United mastered a magical 3-2 come back against Newcastle United at the weekend. He has scored 20 goals already for LA Galaxy, and is in excellent form. "We have to concentrate on Manchester United".
A wave of Palestinian attacks against Israelis, predominantly settlers, broke out in 2015, but they have since become sporadic. Hamas claimed responsibility for the West Bank murder, setting off a mass Israeli response against the group.
They said the firm would now "sunset" the app, which failed to truly challenge market leader Facebook , citing "very low usage". However, this breach has to be seen in the larger context of what's going on more generally with data privacy and security.
Earlier this week, a set of Lady Gaga fans were accused of bolstering the opening weekend for Venom through online bots. But " Venom " carries a bad 32% on the tomatometer and scored a recording breaking box office debut anyway.
Trump joins other first ladies - including Laura Bush, Hillary Clinton and Michelle Obama - in embarking on solo trips to Africa . While petting of the baby elephants, a calf run in her direction apparently startled by her touch - momentarily unsettling her.
Saudi papers warn against threats to kingdom
Unconfirmed reports said that Khashoggi was likely killed inside the compound, which was denied by Saudi officials as "baseless". Turkey has accused Saudi Arabia of masterminding a plan to capture and kill the veteran Saudi journalist.
Eight killed in clashes in Gaza, West Bank
In the meantime, the IDF stated that a group of terrorists had attacked an Israeli outpost on the border. Israel accuses the enclave's rulers Hamas of leading the protests and using them as a cover for attacks.
Hurricane Michael leaves trail of devastation in Florida
Authorities have attributed one death to the storm after a tree fell on a man in the Florida capital Tallahassee. It was heading north-north-east at 22kmh with maximum sustained winds down to 240kmh, the hurricane centre said.
Cyclone Titli makes landfall
While four NDRF teams have been deployed in Andhra Pradesh's Visakhapatnam , Srikakulum and Vijaynagram. The state-owned road transport corporation suspended all bus services on the Andhra-Odisha border area.
International Monetary Fund raises Zim growth forecast
Growth in the 19-nation zone is forecast to slow further to 1.9 percent in 2019, unchanged from the July estimate. The May federal budget forecast 3 per cent GDP in 2018-19 and the same the following financial year.
Trump Comes To Orlando To Speak To Law Enforcement
President Trump said he has a "very good relationship" with Deputy Attorney General Rod Rosenstein, and has no plans to fire him. The same day, Trump and Rosenstein spoke by phone while the president was at an United Nations conference in NY .