The Private Telecommunications and Communications Senior Staff Association of Nigeria, PTECSSAN, has threatened to commence an indefinite strike on April 4. The union made this announcement in a statement signed by its General Secretary, Okonu Abdullahi, on Tuesday. He stated that the union resolved to go on strike because of the alleged unresolved issues between the union and sub-contractors linked with Huawei Technologies Nigeria Ltd. According to him, efforts by the union and the Ministry of Labour and Employment to resolve its concerns were futile as the companies failed to make themselves…