A Japanese communication equipment maker said Thursday that walkie-talkies which simultaneously exploded in Lebanon the previous day may have been a discontinued model it formerly sold, but with modified batteries. Osaka-based Icom Inc. said it is investigating details including its overseas distribution network, after the walkie-talkies detonated in and around the Lebanese capital of Beirut on Wednesday, killing 20 and injuring over 250 people. “We cannot rule out the possibility that they are fakes, but there is also a chance the products are our IC-V82 model,” said Icom Director Yoshiki Eno…