text:  Police in Kenya say they've arrested a serial killer following the recent discovery of at least nine mutilated bodies at a rubbish dump in Nairobi. They say the 33-year-old confessed to murdering more than 40 women, including his own wife. The chief detective said a machete had been recovered in his home. The Pakistani government says it will seek to ban the party of the former prime minister Imran Khan. A minister said the PTI and Pakistan could not coexist.