(AGI) Kiev, July 11 - Ukrainian President Petro Poroshenko hasoffered representatives of pro-Russian rebels the chance toparticipate in video conferencing at the next round of peacetalks on the east of the country. This was reported by thespokesman for German Chancellor Angela Merkel, Steffen Seibert,after a phone call between Merkel and Poroshenko. "Both agreedthat talks on Ukraine between Moscow, Kiev, OSCE andrepresentatives of the rebels are urgent and necessary," saidSeibert. . .