BBC: Pakistani opposition politician Imran Khan has been arrested after making his first public appearance since emergency rule was declared, police have said.
The former cricketer was detained after going to the University of Punjab in Lahore to address a protest by students against President Pervez Musharraf.
Mr Khan was initially held for an hour by students from the Jamaat-e-Islami party after a standoff on the campus.
On Tuesday, Mr Khan said there should be no negotiations with Gen Musharraf.
Mr Khan joins scores of other more powerful opposition politicians already in custody.
The former cricketer is well known around the world from his sporting days, but his Tehrik-i-Insaf party has little support in Pakistan. Khan arrested at Pakistan protest (more)
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Khan arrested in Pakistan
Mark Alexander