LONDON, Jan. 7 -- A British court on Wednesday refused a bail application moved by WikiLeaks founder Julian Assange, two days after an extradition request by the US government was blocked on grounds of his mental health and risk of suicide.

Assange, 49, has been held in Belmarsh prison in southeast London for the past 18 months after he was evicted from the city's Ecuadorian embassy, where he sought asylum for seven years.

His earlier bail applications were also refused. His legal team moved another application after the extradition was blocked on Monday. US authorities have indicated that they would appeal against the extradition ruling. He is wanted in the US over charges of espionage, hacking and leaking classified documents.

Judge Va...