A man ran into a church with a sword and started attacking Christians before attacking parts of the church itself. Thankfully nobody was killed and the man was stopped after an officer on duty saw the incident and shot the attacker according to a report:
A priest and several churchgoers have been injured during a machete attack on a church in the Indonesian city of Yogyakarta.
A 22-year-old man armed with a sword or machete attacked members of the congregation at St Lidwina Church.
The priest was struck in the back of the head and several others were injured before the man started hacking at a statue of Jesus and Mary.
A patrolling police officer ran into the church and tried to negotiate with the attacker.
Police said the attacker charged at the officer, who shot and injured him. (source)