In Pakistan, a suspected suicide bomber has targeted a protest rally in eastern city of Lahore, killing at least 10 people and injuring 69. <br/><br/>The blast occurred when owners of medical shops were demonstrating against amendments to a law governing drug sales in Punjab province. <br/><br/>Among those killed were senior police officers. Dozens of people were hurt. Police have sealed off the area on Mall Road, amid fears that there could be another explosion. Hundreds of people had attended the demonstration on one of Lahore's major thoroughfares. <br/><br/>There are fears that the death toll will rise further. No-one has so far said they carried out the explosion.