Imphal, August 13: A bomb exploded today morning at around 9.30 am at Kakwa Naorem Leikai under SIngjamei Police Station near an electric transformer however there were no reports of any casualty . A team of Manipur Police led by SP of Imphal West, Themthing Ngashangva rushed at the spot to take stock of the situation. The blast took place amidst tight security measures ahead of the Independence Day celebration. On the other hand a highly placed source said that police are looking for some UG bomb experts after getting specific information about their presence at greater imphal area. The source added that the UGs are planning to trigger blast at different places on Independence Day. Meanwhile,Thoubal district police conducted search operation at Yairipok Huidrom Leikai from 4.15am to 6am today. The seacrh operation is conducted as security measures to ensure full prove security of the Independence Day celebration. On another development, locals of Wangjing Tekcham Leikai in Thoubal district has staged sit-in-protest today morning against the bomb blast which was occurred on Saturday evening at around 7.30 PM at Wangjing Tekcham Pukhri Achouba Mapan