Cyprus marks 52 years since invasion as UN renews peace push

(Corrects first bullet point to change "Southern" to "southern".) NICOSIA, July 20 (Reuters) - Cyprus marked the 52-year anniversary of Turkey's 1974 invasion on Monday as the Greek and Turkish Cypriot communities prepared for a renewed effort from the United Nations to break years of deadlock in peace talks. • Air raid sirens sounded over the southern Greek Cypriot government-controlled areas of Cyprus on Monday morning to commemorate the hour Turkish forces landed in 1974, days after a…