The Baltic states of Estonia, Latvia and Lithuania want to secure their borders with Russia and Belarus against possible attacks with hundreds of bunkers, the countries’ defence ministers said on Friday. The ministers signed an agreement in Riga, according to which Estonia, Latvia and Lithuania “will construct anti-mobility defensive installations in the coming years to deter and, if necessary, defend against military threats,” the Estonian Defence Ministry said in a statement. “Russia’s war in Ukraine has shown that, in addition to equipment, ammunition, and manpower, physical defensive insta…