Daniel Andreas San Diego, a fugitive on the FBI’s “Most Wanted Terrorist” list, was captured in the United Kingdom on Monday after more than 20 years.

Authorities in Britain have arrested an American animal rights activist on the FBI's Most Wanted Terrorists list in connection with two bombings in San Francisco in 2003.

Daniel Andreas San Diego is accused of bombing two companies in the San Francisco Bay Area in 2003 and has been labeled a “domestic terrorist” by the FBI.

Daniel Andreas San Diego, 46, was arrested Monday in Wales near Conwy, the National Crime Agency said. He was one of the FBI’s most wanted fugitives.

Known as one of the FBI's "most wanted terrorists," San Diego was linked to two homemade pipe bombs that exploded on August 28, 2003, at Chiron Corp., a biotech business in Emeryville, just across the bay from San Francisco.

Authorities say a suspect wanted in the U.S. for two bombings in the San Francisco area in 2003 has appeared in a London courtroom after being captured in the U.K.

FBI adds Daniel San Diego to their Most Wanted Terrorist list for domestic terrorism.

Daniel Andreas San Diego was one of the agency's ‘most wanted fugitives’ after two bombings in the San Francisco area of California in 2003