Manipur Chief Minister N Biren Singh is in Guwahati to discuss security issues along the Jiribam-Cachar inter-state boundary with his Assam counterpart Himanta Biswa Sarma, an official said on Sunday. Following incidents of ethnic violence in Manipur's Jiribam in the first week of June, many people from the state have taken refuge in adjoining Cachar district in southern Assam. To discuss the security situation along the inter-state boundary, Singh, along with senior minister L Susindro Singh, left for Guwahati on Saturday evening, the official said. The two CMs are also likely to discuss coordination among police forces to effectively deal with militants active along the inter-state boundary, he said. Singh is likely to return to Manipur on Sunday, another official said. Sarma had on Saturday asked officials concerned to ensure there is no spillover of Manipur's ethnic violence into Assam and that all humanitarian aid is provided to the people seeking refuge from the neighbouring