Four teenagers arrested amid investigation into alleged homophobic attacks involving dating apps in WA

Detectives charge boys with armed robbery offences after app allegedly used to arrange meetings

• Follow our Australia news live blog for latest updates
• Get our breaking news email, free app or daily news podcast

Police investigating a series of alleged homophobic assaults have accused four Western Australian teenagers of assaulting two men they separately arranged to meet via an online dating app.

The arrests came after police said they were investigating incidents in which men had agreed to meet someone they connected with on a dating app, and had then allegedly been assaulted by several males while being subjected to homophobic slurs.

Sign up for Guardian Australia's breaking news email