The envelopes had "similar characteristics" and were sent from inside Spain, director general of the Civil Guard said, citing preliminary investigations.
In France's eastern city of Dijon, the tension was sparked by an attack on a 16-year-old member of the Chechen community on June 10.
French government has backed away from banning chokehold technique during arrest amid the growing protests over police brutality and racial injustice unleashed by George Floyd’s death in the US.
Rescue and relief operation going on as quake hits Bingol province, damaging several houses and collapsing military watchtower, officials say.
The global coronavirus pandemic has affected almost 5 million people, with around 320,000 deaths. Here are more coronavirus-related updates for May 19:
"Interior Minister Horst Seehofer has banned the Shia terrorist organisation Hezbollah in Germany," a ministry spokesman says, as country raids several places to detain suspected members of group.
As Covid-19 pandemic throws millions out of work and devastates economies across Europe, some governments struggle with the delicate balance between keeping people safe from a highly contagious virus and making sure they can still make a living.
How the government will handle this crisis will shape the trajectory of the rest of its tenure.
After a racist gunman shot dead nine people of migrant backgrounds in the city of Hanau last month, Interior Minister Horst Seehofer declared far-right extremism was "the biggest security threat facing Germany".
Citing sources close to the German government, a local newspaper reported that US President Donald Trump had offered "a billion dollars" to secure the vaccine "only for the United States".
The number of coronavirus cases worldwide has passed 155,000, driven by a spike in infections in Italy, which announced 3,497 new cases on Saturday. The virus has so far claimed almost 6,000 lives across 154 countries and territories.
The arrests of Muhammad bin Nayef and Ahmed bin Abdulaziz demonstrate the extent to which the crown prince is willing to go to keep his grip on power.
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