报 + 警 / 警 + 方
警 (jǐng) can mean "police," "alarm," or "warning" depending on context. It appears in compounds like 警方 (police), 报警 (to report to police / to sound an alarm), and 警察 (police officer). As a standalone character, it carries a core meaning of alertness and enforcement.
警方已经对这起事件展开了调查。
Jǐngfāng yǐjīng duì zhè qǐ shìjiàn zhǎnkāi le diàochá.
The police have already launched an investigation into this incident.
她吓坏了,赶紧拿起手机报警。
Tā xiàhuài le, gǎnjǐn náqǐ shǒujī bàojǐng.
She was terrified and quickly grabbed her phone to call the police.
接到报警后,警察五分钟就赶到了现场。
Jiēdào bàojǐng hòu, jǐngchá wǔ fēnzhōng jiù gǎndào le xiànchǎng.
After receiving the emergency call, the police arrived at the scene in five minutes.