By Catherine Belton LONDON (Reuters) -Russia has told Ukraine it is ready to halt military operations “in a moment” if Kyiv meets a list of conditions, the Kremlin spokesman said on Monday. Dmitry Peskov said Moscow was demanding that Ukraine cease military action, change its constitution to enshrine neutrality, acknowledge Crimea as Russian territory, and recognise the separatist republics of Donetsk and Lugansk as independent states. It was the most explicit Russian statement so far of the terms it wants to impose on Ukraine to halt what it calls its “special military operation”, now in its …