Sanchez, a prominent secessionist, has been in a Madrid prison along with other separatist leaders since October.
A German court ruled on Thursday that it would only consider extraditing ex-Catalan leader Carles Puigdemont on the charge of misuse of public funds to hold a banned referendum on independence for Catalonia previous year.
A jailed Catalan pro-independence activist was on Saturday proposed as the new regional president for a second time despite a failed first attempt.
Puigdemont renewed calls to back Sanchez at a press conference in Berlin Saturday, a day after he was released on bail from a German prison.
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In January 2017, Khan was also acquitted in another case that charged him with using illegal firearms to kill the blackbucks. Bollywood actor Salman Khan's sister Alvira Khan arrives for his bail hearing at the sessions court in Jodhpur on Saturday.
Separatists in Catalonia's regional parliament already tried to elect Sanchez as regional chief but their efforts were blocked by a judge last month.
Catalonia's former leader Carles Puigdemont is seen with supporters after a news conference in Berlin, Germany, April 7, 2018.
However, the court ruled out Puigdemont's extradition based on charges of "rebellion", highlighting that it was not compatible with the German law.
Spain is seeking his extradition for rebellion and misuse of public funds in organizing an unauthorized referendum a year ago on Catalonia's independence from Spain.
In the meantime, Puigdemont, who had to pay 75,000 euros (91,700 dollars) in bail, must remain in Germany, report weekly to police and inform authorities of any change in his address.
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Puigdemont was arrested by German police March 25 as he entered the country from Denmark en route to Belgium, where he's been based since making an illegal declaration of independence from Spain a year ago.
She stated that if Spain couldn't prove the allegations of misuse of public funds, "afterward Puigdemont would be a free man in a absolutely free country - notably in Germany".
He was trying to drive from Finland to Belgium, where he had been living since fleeing to escape arrest in Spain.
"We feel that comments on judges' decisions at this point are not appropriate", he told reporters in the southern Spanish city of Seville.
Puigdemont said he has no plans to return to Spanish soil, where he faces arrest, and insisted the Catalan conflict requires worldwide mediation.
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A demonstration was planned in the northern German town of Neumünster, where Puigdemont had been held since his detention, against his still-possible extradition.