At least eight persons were injured in a grenade explosion in Srinagar city of  Jammu & Kashmir today. Sources said suspected terrorists lobbed a hand grenade on the roadside opposite the vendor stall line in Hari Singh High Street area of the city, leaving eight  persons injured. <br />'' <br />'' The injured included a woman and seven pedestrians. They sustained minor splinter injuries and were shifted to a nearby hospital for treatment. Later, one injured person was discharged. Police have launched a manhunt to nab the attackers.<br />'' <br />'' Earlier this month, at least 14 persons were injured after a grenade was thrown towards a security picket outside the Deputy Commissioner's Office in South Kashmir's Anantnag district.<br />'' <br />'' Last month, a grenade was also lobbed at security personnel in old city area of Nawa Kadal. There were, however, no injuries. <br />''