The Swiss foreign ministry on Tuesday confirmed news reports about the incident.
The ministry said the man was denied entry on Monday and subsequently jumped the exterior security fence. Security forces chased after the man and arrested him. He was identified as holder of identity papers from the US state of Oregon.
Local police also found a backpack the intruder had left outside the premises which was deemed suspicious.
The foreign ministry said neither the ambassador, Jacques Pitteloud, nor any of the embassy staff were hurt in the incident on Monday. The ministry thanked the secret service agents and police for their intervention.
The CNN news organisation said the suspect is accused of assaulting a foreign official, assaulting, resisting or impeding officers and unlawfully entering a private property, according to a criminal complaint.
This content was published on
Nemo brought the Eurovision Song Contest to Switzerland with a victory on Saturday evening in Malmö, Sweden. It is Switzerland's third victory in the history of the music contest.
Switzerland abstains from vote on Palestinian bid for full UN membership
This content was published on
On Friday, Switzerland abstained from the vote at the General Assembly on granting the Palestinians new rights at the United Nations (UN).
Protein in abdominal fat could help shape obesity treatment
This content was published on
The study analysed fat cells from different locations in the body, and found that those in the abdomen have unique properties.
North African asylum claims fall after rapid Swiss processing
This content was published on
The accelerated procedure, now out of its test phase, has resulted in a significant drop in applications from North African countries.
This content was published on
The artist's song "The Code" focuses on their journey as a nonbinary individual. It is one of the favourites to win this year's contest.
If you want to start a conversation about a topic raised in this article or want to report factual errors, email us at english@swissinfo.ch.
Read more
More
Meet Switzerland’s new man in Washington
This content was published on
Switzerland’s incoming ambassador to the United States Jacques Pitteloud talks about his priorities and how he sees his post.
You can find an overview of ongoing debates with our journalists here . Please join us!
If you want to start a conversation about a topic raised in this article or want to report factual errors, email us at english@swissinfo.ch.