The town halls of Augsburg, Göttingen, Chemnitz, Kaiserslautern and Neunkirch were affected.
"Up to this point, a terrorist motive is seriously being considered," prosecutors said in a statement, citing "the nature of the shooting and a letter found in the getaway car."
Hundreds of men, women and children, including supporters of the so-called Islamic State, continued to arrive at an open-air medical screening centre in the Syrian desert on Tuesday.
The Catalan regional police service, Mossos d’Esquadra, have arrested a least 17 people who they believe are linked to a jihadist cell based in and around Barcelona.
Swedish security police have arrested one person suspected of planning a terror attack.
The number of deaths from terrorism is down for the third consecutive year, the Global Terrorism Index 2018 says. But the far-right political terrorism is on the rise, it adds.
By concentrating power in the hands of the [French] government - completely outside of the normal criminal justice system - administrative [anti-terrorist] control measures are open to abuse and discriminatory application, including toward Muslims.
In some categories, European and American destinations were shown to pose more of a risk to travellers than areas in the Middle East and North Africa, according to data collated by Which? Travel.
An award-winning film by Interpol shows first responders how to recognise possible homemade explosives
The diplomat is among a group of people arrested over an alleged plot to bomb a weekend rally by an exiled Iranian opposition group in France, where US President Donald Trump’s lawyer Rudy Giuliani was in attendance.
Following the fatal truck attack in 2017, Sweden is rolling out a technology to prevent acts of vehicle terrorism.
Authorities need to take action concerning the upcoming release of 40 radicalised inmates from French jails, says leading counter-terrorist prosecutor Francois Molins
Efforts to combat radicalisation in our institutions should go hand-in-hand with strategies to fight it in virtual spaces, writes counter-extremism expert David Ibsen.
Italian police detain a 19-year-old Moroccan man in the latest in a string of terror-related operations.
The outgoing head of UK counter-terrorism policing reveals that four right-wing extremist terror plots were thwarted in the past year, along with 10 Islamist conspiracies.
Nine forms of expression that have landed Turks in trouble with the law.
Hundreds of thousands of people are expected to line the River Thames to see the first moments of 2018 arrive
Four men have been arrested in anti-terror raids in Sheffield and Chesterfield in the UK. Army bomb disposal experts were sent in to one house, while local residents were evacuated
Trump and Putin seize on the positives after 'rare show of cooperation' between Moscow and Washington over terror plot
We need to stop appeasing Islamists and begin empowering progressive liberal-democratic Muslims, writes Roberta Bonazzi
Two men are facing terrorism charges over an alleged plan to attack Downing Street and kill British Prime Minister Theresa May
A UK government report claims the Manchester Arena suicide bombing could have been stopped if MI5 acted upon intelligence received months before the attack.
ISIL is in full retreat in Iraq and Syria, where its last urban centre, al-Bukamal, is under seige.
It’s two years since ISIL-inspired gunmen killed 90 people at a Paris music venue.
Police are currently investigating the suspicious package
Young royal hopes to show his kingdom can be a leading player on the world stage.