By Pavel Polityuk and Polina Nikolskaya KYIV/DONETSK (Reuters) -Ukraine declared a state of emergency on Wednesday and told its citizens in Russia to come home, while Moscow began evacuating its Kyiv embassy in the latest ominous signs for Ukrainians who fear an all-out Russian military onslaught. Shelling intensified at the line of contact in eastern Ukraine, where Russian President Vladimir Putin recognised the independence of two Moscow-backed rebel regions this week and has ordered the deployment of Russian troops as “peacekeepers”. Convoys of military equipment including nine tanks moved …