Russia is waging a "targeted gray zone campaign" against Europe, including airspace violations, sabotage and cyberattacks that will only escalate if the Kremlin is not challenged, the European Union's top official warned on Wednesday.

French President Emmanuel Macron is running out of wiggle room. The abrupt resignation of his prime minister Monday — Macron's fourth in more than a year of almost ceaseless political upheaval — puts the French leader in a bind.

Spanish emergency services were scrambling to find four people who went missing after a building under construction in Madrid's touristic city center collapsed on Tuesday, injuring around 10, authorities said.

The toll "at the moment is estimated to be around 10, mostly minor, injuries", said Francisco Martin Aguirre, the central government's top representative in the Madrid region, adding that "there are four people missing".

A Ukrainian drone attack on the Russia-held part of Ukraine's Kherson region killed four people, the Moscow-installed governor said Tuesday.

"Four civilians were killed on the highway between Zavodovka and Gornostayevka as a result of a targeted drone attack on civilian vehicles," Vladimir Saldo, governor of the Russian-occupied part of Kherson region wrote on Telegram, using the Russian spelling for the towns' names.

Ukraine has found tens of thousands of foreign-made parts in the drones and missiles Russia fired in a weekend air attack on the country, President Volodymyr Zelensky said Monday.

"During the massive combined strike on Ukraine on the night of October 5, Russia used 549 weapon systems containing 102,785 foreign-made components," Zelensky said on social media, referring to an attack in the early hours of Sunday.

Iran does not plan to immediately resume talks with European nations on its nuclear program after they reimposed sanctions, an Iranian foreign ministry spokesman said on Monday.

"We have no plans for negotiations at this stage," spokesman Esmaeil Baqaei said, adding that Iran was examining the "consequences and implications" of the restart of sanctions initiated by France, Britain, and Germany.

France's President Emmanuel Macron on Monday accepted Prime Minister Sebastien Lecornu's resignation just hours after unveiling his cabinet, the presidency said, plunging the European nation further into political deadlock.

Macron named Lecornu, a former defense minister, to the post last month.

Flights resumed "progressively" on Saturday at Munich airport, but delays were expected after a drone scare caused a second shutdown in as many days, affecting over 6,500 passengers, the operator said.

Armenia on Friday jailed a senior cleric for two years over alleged calls to overthrow the government, deepening a standoff between Prime Minister Nikol Pashinyan and the influential Armenian Apostolic Church.

Germany's Munich airport said normal service resumed Friday after several drone sightings forced its closure overnight, the latest in a string of similar aviation disruptions across Europe.