text:  Pakistan's government says it will seek to ban the party of the jailed opposition leader Imran Khan, who's had a series of court successes in recent days. The information minister, Atala Tara, said Mr Khan's party, the PTI in Pakistan, could not coexist. Researchers behind a new malaria vaccine say they hope it paves the way towards the eradication of the disease as its rollout begins in Ivory Coast.