Hong Kong police have arrested a bookstore owner and three shopkeepers for allegedly selling "seditious" publications.The publications included a biography of jailed media tycoon Jimmy Lai, broadcaster TVB reported on Tuesday, local time.The owner of the Book Punch store, Pong Yat-ming, and three staff members were accused of selling copies of The Troublemaker, a biography of Mr Lai by one of his former business directors, Mark Clifford, TVB reported.Mr Lai, founder of the now-shuttered pro-democracy Apple Daily newspaper, was sentenced to a Jimmy Lai sentenced to 20 years in jail for collusion with foreign forces and sedition in the city's…