Asian shares fell to a one-month low and the safe-haven yen hovered just below a multi-month high against the dollar in early trade on Wednesday as the heightened possibility of Ukraine slipping into civil war dampened risk sentiment. Ukraine has so far experienced its deadliest week since the separatist uprising began, leaving less room for peace efforts. MSCI’s broadest index of Asia-Pacific shares outside Japan fell 0.6 percent after touching its lowest point since April 2.