Cuba and North Korea have vowed to strengthen ties amid escalating political tensions with the US. <br/><br/>In a meeting with his visiting North Korea counterpart Ri Yong Ho on Wednesday, Cuban Foreign Minister Bruno Rodriguez reiterated Havana's position that the nuclear issue on the Korean Peninsula can only be resolved through dialogue and negotiations. <br/><br/>According to Xinhua news agency, Rodriguez also rejected unilateral sanctions and the inclusion of North Korea in the US list of state sponsors of terrorism only two days ago by President Donald Trump's administration. <br/><br/>In response, Ri said the situation on the Korean Peninsula is worsening and is tense because of the increased use of military forces by the imperialists. <br/><br/>The North Korea Foreign Minister arrived in Cuba on Monday and is expected to meet Cuban President Raul Castro.