evidence: Last Friday, a Rohingya teenager was killed and four other Bangladeshi nationals injured when mortar shells fired from Myanmar exploded on a strip of land along the Bangladesh-Myanmar border. [...] Local media reports earlier this month said more than a dozen Rohingya have entered Bangladesh amid the cross-border firing, seeking refuge in camps near Teknaf. Hundreds more Rohingya have gathered near the border in a bid to cross the Naf River into Bangladesh, the reports added. [...] Moe said the firings into Bangladeshi territory were conducted by the Arakan Army, an armed group fighting the Myanmar military for the rights of the ethnic minorities in Myanmar’s Rakhine and Chin states.