Daniel Andreas San Diego is accused of setting off homemade explosives at two Northern California companies he believed were conducting animal experiments.

An animal rights extremist believed to behind a series of California bombings was arrested in the U.K. after more than 20 years on the run.

Daniel Andreas San Diego, on the U.S. most-wanted terrorist list since 2009, was arrested in the UK. He's linked to the 2003 bombing of a California biotech firm. The FBI and British authorities carried out the arrest.

An animal rights extremist believed to be behind a pair of bombings in Northern California over two decades ago was caught in Wales on Monday, authorities said.

A 46-year-old Berkeley man who the Federal Bureau of Investigations said is responsible for two terrorist bombings in the San Francisco Bay Area more than 20 years ago has been arrested, FBI Director Christopher Wray announced Tuesday.