"France shares Britain's assessment that there is no other plausible explanation and reiterates its solidarity with his ally," Macron's office said.
France on Wednesday said it wanted firm proof of Russian involvement in the nerve-toxin poisoning of a Russian double agent in Britain before it took any action in solidarity with the British government.
German Chancellor Angela Merkel said Monday, two days before she is to launch her new government, that she will pay a quick visit to French President Emmanuel Macron to discuss EU reform proposals.
The Louvre briefly evacuated one its busiest rooms on Monday after black-clad environmental activists staged a protest against oil giant Total's patronage of the Paris museum.
France's National Front has stripped founder Jean-Marie Le Pen of his position as honorary president, ending his last formal connection with the far-right party.
The International Solar Alliance is an inter-governmental organisation that aims to help sunshine-rich countries around the world harness solar energy at an affordable cost.
Left-wing French newspaper Liberation marked International Women's Day on Thursday by charging male readers a higher price than women.
French forestry and wood products group Rougier filed for bankruptcy on Tuesday, causing uncertainty for its nearly 3,000 employees in central Africa, a court source told AFP.
Her Highness Sheikha Moza bint Nasser, Chairperson of Qatar Foundation for Education, Science and Community Development (QF), met with the Mayor of Paris, Anne Hidalgo, in the French capital on Friday.
One of two would-be attackers arrested in January had planned to hit a "major sporting facility", Interior Minister Gerard Collomb said.